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Etymology — The origins of English words

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.

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osier
Origin
Borrowed from French osier (“basket willow, withy”)
omnipotence
Origin
From Late Middle English omnipotens, from Old French omnipotence, from Latin omnipotentia.
overbear
Origin
From Middle English overberen; equivalent to over- + bear.
ostracism
Origin
Learned borrowing from Ancient Greek ὀστρακισμός (ostrakismós, “banishment by means of voting with pot shards”), from ὀστρακίζω (ostrakízō, “ostracize”) + -ισμός (-ismós, “-ism”), from ὄστρακον (óstrakon, “clay pot”).
nonaddictive
Origin
From non- + addictive.
oblong
Origin
From Middle English oblong, oblonge, borrowed from Latin oblongus.
odontiasis
Origin
From odonto- + -iasis.
nonfree
Origin
From non- + free.
noncomputation
Origin
From non- + computation.
noteholder
Origin
From note + holder.
outfitter
Origin
From outfit + -er.
oscitant
Origin
From Latin ōscitāns, present participle of ōscitō. Compare French oscitant.
nonreal
Origin
From non- + real.
nonempirical
Origin
From non- + empirical.
northerly
Origin
From norther + -ly.
nonprofessional
Origin
From non- + professional.
overthwart
Origin
From Middle English overthwart, overthwert, overtwert, overquert, overwhart, equivalent to over- + thwart. Compare Dutch overdwaars (“across”), Danish overtvært (“across”).
nondisclosure
Origin
From non- + disclosure.
oldbie
Origin
From old + -bie, coined as an antonym for newbie.
nulliverse
Origin
From null + -i- + -verse, coined by William James.
numbersome
Origin
From number + -some.
noocracy
Origin
From Ancient Greek νόος (nóos, “mind”) + -cracy.
nocuous
Origin
Ultimately from Latin nocuus (“harmful”).
orgo
Origin
From org(anic) + -o.