un-

Part of speech: prefix
is prefixed to adjectives, participles and nouns expressing negation: un-, in-, dis-, -less
Etymology
[← Prot-Germ *un-; OE un- (Mod E un-); O Fris un-, on-; O Sax un-; Dt on-; OHG un- (Mod G un-); O Icel ú-, ó- (Mod Icel ó-) ← Indo-Europ *ne-, *ṇ-; Sanskr a-, an-; Avest a-; Anc Gr ἀ-, ἀν-; Lat in-; O Ir in-, an-; Lith ne-; O Slav не- (Russ не-)]