ú-

Inherited from Old Czech ú-, from Proto-Slavic *u-. Doublet of u-.

ú-

1. a noun forming prefix

• u-

• u-/ú- in Slovník afixů užívaných v češtině, 2017

• ó-

Inherited from Proto-Norse ᚢᚾ- (un-), from Proto-Germanic *un-, from Proto-Indo-European *n̥-, a prefix use of the particle *né (“not”). Cognates include Middle High German un-, Old English un-, Latin in- and Ancient Greek ἀ- (a-).

ú-

1. not, non-, un-

• Icelandic: ó-
• Faroese: ó-
• Norwegian Nynorsk: u-, o-
• Old Swedish: ō-
  • Swedish: o-
• Danish: u-
  • Norwegian Bokmål: u-

• Zoëga, Geir T. (1910) “ú-”, in A Concise Dictionary of Old Icelandic, Oxford: Clarendon Press, page 453; also available at the Internet Archive