Etymology — The Origins of English Words

From Latin ingeniositas.

From Anglo-Norman laite, from Latin laitas, from Ancient Greek λαός (laós, “people”).

From German Noumenon, from Ancient Greek νοούμενον (nooúmenon, “thing that is known”), passive present participle of νοέω (noéō, “I know”).

From maggot + -ed.

From Latin plācābilis.

From reach + -ability.

From Late Latin operandum. By surface analysis, operate + -and. Doublet of operandum.

From lease + hold.

From Latin māter familiās (“mother of the household”).

Borrowed from French majuscule, from Latin majuscula (littera).

From Latin licitus (“lawful”), perfect participle of licet (“[it] is permitted”, impersonal verb).

Variant of haunch.

Modification of earlier restiff, from Middle English restyf, from Old French restif, from rester (“to stay, remain”), from Latin restō. * Shares an etymology with rest ("to remain," obsolete) *Merriam-Webster states that this word was originally used to describe horses that disobeyed commands. Presumably, then, the word came to mean fidgety or anxious more broadly.

From Anglo-Norman pesible, peisible, Middle French paisible, from pais (“peace”) + -ible; later remodelled after peace + -able.

From net (“elegant, neat”) + -y (“forming adjs. of slightly lesser degree”).

Ultimately from Latin ponderōsus (“weighty”).

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.

Sense 3 (“comprehensive treatise”) is from Latin pandectēs (“book that contains everything, encyclopedia”), from Ancient Greek πανδέκτης (pandéktēs, “encyclopedia”, literally “all-receiver”), from παν- (pan-, prefix meaning ‘all’) (from πᾶς (pâs, “all”)) + δέκτης (déktēs, “receiver, recipient”) (from δέχομαι (dékhomai, “to receive”) (from Proto-Indo-European *deḱ- (“to take; to perceive”)) + -της (-tēs, suffix forming agent nouns)). Sense 1 (“compendium of writings on Roman law”) in the plural form Pandects is from Late Latin pandectae (“the Pandects”), the plural of pandectēs, modelled after (Byzantine) Ancient Greek πανδέκται (pandéktai, “the Pandects”), the plural of πανδέκτης (pandéktēs): see further above.

From ground + nut. Compare Icelandic jarðhneta, German Erdnuss (both cognate with earthnut) and Hungarian földimogyoró.

In Scottish use, from Scots naw, naa, na, from Middle English na, from Old English nā (“no, never”). More generally, a colloquial, unarticulated form of no; compare nah. More at no.

From Latin manubialis from manubiae (“money obtained from the sale of booty, plunder”).

From idiosyncrasy + -ic. By surface analysis, idio- + syn- + -cratic.

From Latin maleficus.

From reck + -ful. Compare reckless.