un-

un- · prefix¹

1. Proto-Indo-European · inherited from*n̥-
2. Proto-Germanic · inherited from*un-
3. Proto-West Germanic · inherited from*un-
4. Old English · inherited fromun-
5. Middle English · inherited fromun-
6. English todayun-

From Middle English un-, from Old English un-, from Proto-West Germanic *un-, from Proto-Germanic *un-, from Proto-Indo-European *n̥-. Cognate with Scots un-, on- (“un-”), North Frisian ün-, Saterland Frisian uun-, West Frisian ûn-, on-, Dutch on-, Low German un-, on-, German un-, Danish u-, Swedish o-, Norwegian u-, Icelandic ó-. More distant cognate with Latin in-, Ancient Greek ἀ- (a-) (whence English a-, modern Greek α- (a-)) and Sanskrit अ- (a-). Doublet of in- and a-.

un- · prefix²

1. Proto-Indo-European · inherited from*h₂énti“across, forth, forward, ahead”
2. Proto-Germanic · inherited from*anda-
3. Proto-West Germanic · inherited from*anda-
4. Old English · inherited fromon-
5. Middle English · inherited fromon-
6. English todayun-

From Middle English on-, from Old English on-, ond-, and- (“against, facing, toward; in return, back, without”), from Proto-West Germanic *anda-, from Proto-Germanic *anda-, *andi- (“against”), from Proto-Indo-European *h₂énti (“across, forth, forward, ahead”), from *h₂énts (“end, limit, forehead”). In some cases the meaning is influenced by un- (“not”, etymology 1).

un- · prefix³

1. Proto-Indo-European*ís?
2. Proto-Indo-European*h₁óynos
3. Proto-Italic*oinos
4. Old Latinoinos
5. Latinūnus
6. English todayun-

Borrowed from Latin ūnus.

Words from the same roots