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"I" Word Origins

Where do words come from? Trace the origin and history of any English word, from its Latin, Greek or Old English roots through to its modern meaning. Every etymology is sourced.

“I” Word Origins

interloper
Origin
From inter- plus an old word "loper" ("runner, rover"); originally used for unlicensed traders who broke in on the privileges of chartered trading companies.
interlude
Latin
From Latin inter- ("between") plus ludo ("to play").
intermediary
Medieval Latin
From French intermédiaire, reshaped to look like a borrowing from Medieval Latin.
intermediate
Medieval Latin
Borrowed from Medieval Latin intermediatus, from intermedius, meaning "in the middle."
interment
French
From Old French enterrer, from Latin in- ("in") plus terra ("earth") — literally, putting into the earth.
intermezzo
Origin
Borrowed from Italian intermezzo. Doublet of intermede and intermedium
interminable
Late Latin
From Middle French interminable, from Late Latin interminabilis, built from in- ("not") plus terminable ("able to be ended").
intermit
Origin
From Latin intermittere, from inter- + mittere.
intermittent
Latin
From Latin intermittens, "sending between" — from inter- ("among") plus mittere ("to send").
intermittent fasting
English
From intermittent, ultimately from Latin intermittere 'to leave off, interrupt', plus fasting, from Old English fæstan 'to abstain from food'.
intern
Latin
From French interner, from interne ("inner, internal"), from Latin internus.
internal
New Latin
From New Latin internalis, from Latin internus, meaning "inward, internal."
international
Origin · 1780
From inter- ("between") plus national; the word was introduced into English by the philosopher Jeremy Bentham in 1780.
internet
Origin
A shortened, generalized form of "Internet," originally referring to a network connecting separate networks together.
internist
Origin
From German Internist, corresponding to intern (“internal”) + -ist.
internment
Origin
From intern plus the suffix -ment.
internship
Origin
From intern plus the suffix -ship.
interpersonal
Origin
From inter- ("between") plus personal.
interplanetary
Origin
From inter- ("between") plus planetary.
Interpol
Origin
A shortened form of "International Police."
interpolate
Origin
From Latin interpolātus, perfect passive participle of interpolō, see -ate (verb-forming suffix). Compare French interpoler.
interpolation
Origin
From French interpolation, from Latin interpolatio. Morphologically interpolate + -ion.
interpose
Origin
From Middle French interposer, influenced by poser (“to place, put”), from Latin interpōnō, from inter (“between”) + pōnō (“to place, put”).
interposition
Origin
From Middle English interposicion, from Old French interposicion, from Latin interpositio.
interpret
Latin
From Old French enterpreter, from Latin interpretari, "to explain or expound," ultimately from an old word for a go-between or broker.
interpretation
Latin
From Latin interpretari, "to explain or translate", from interpres, meaning an agent or go-between.
interpreter
Latin
From Old French interpreteur, from Latin interpretari, "to explain," built on the same root as interpret.
interpunct
Origin
From Latin interpunctus, from inter- (“between, mid-”) + punctus (“point”).
interracial
Origin
Formed from inter- ("between") and racial.
interregnum
Origin
Learned borrowing from Latin interrēgnum, from inter- (prefix meaning ‘between’) (ultimately from Proto-Indo-European *h₁entér (“between”)) + rēgnum (“reign; royal power”) (nominalized from the neuter of *rēgnus, from rēx (“king; ruler”, oblique stem rēg-) + -nus (suffix forming adjectives), ultimately from Proto-Indo-European *h₃reǵ- (“to righten; to straighten”)). The plural form interregna is a learned borrowing from Latin interrēgna.
interrobang
Origin
A blend of French (point d')interrogation (“question mark”) or the equivalent term in another Romance language + bang (“exclamation mark, exclamation point”), coined in a 1962 article in the journal TYPEtalks by American advertising executive Martin Kiehra Speckter (1915–1988), who invented the symbol.
interrogate
Latin
From Latin interrogare, "to ask or inquire," from inter- ("between") plus rogare ("to ask").
interrogatee
Origin
From interrogate + -ee.
interrogation
Latin
From Latin interrogatio, from interrogare, "to ask or inquire."
interrogative
Origin
From Late Latin interrogātīvus, equivalent to interrogate + -ive.
interrogator
Latin
From Latin interrogator, "one who questions," built from interrogate plus the agent suffix -or.
interrogatory
Origin
From Late Latin; equivalent to interrogate + -ory (“pertaining to”), or more distantly inter- + rogatory.
interrupt
Latin
From Latin interrumpere, "to break apart," from inter- ("between") plus rumpere ("to break").
interruption
Latin
From Latin interruptio, from interrumpere, "to break apart."
intersect
Latin
From Latin intersecare, "to cut between," from inter- ("between") plus secare ("to cut").
intersection
Latin
From Latin intersectio, from intersecare, "to cut between."
intersectional
Origin
From intersection + -al.
intersex
Origin
Borrowed from German Intersexe. By surface analysis, inter- + sex. (This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium. Particularly: “Needs more details, especially the German etymology.”) Doublet of intersect.
intersidereal
Origin
From inter- + sidereal.
interspace
Origin
Borrowed from Latin interspatium. By surface analysis, inter- + space.
interstate
Origin
Formed from inter- ("between") and state; the highway sense comes from "interstate highway."
interstellar
Latin
Formed from inter- ("between") and stellar, from Latin stella, "star."
interval
Latin
From Latin intervallum, literally "space between two palisades," from inter- ("between") plus vallum ("wall" or "rampart").