From Old Irish úachtar, óchtar (whence also Scottish Gaelic uachdar and Manx eaghtyr), from Proto-Celtic *ouxsterom, ultimately from Proto-Indo-European *h₃ewp-s- (“high”). Akin to Irish and Scottish Gaelic uasal, Welsh uchel and uthr, Breton uhel. Cognate to Ancient Greek ὕψος (húpsos, “height”).
uachtar m (genitive singular uachtair, nominative plural uachtair)
- top, upper part
- cream (milk)
- (geography) southern part
|Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.
- "uachtar" in Foclóir Gaeilge-Béarla, An Gúm, 1977, by Niall Ó Dónaill.
- Entries containing “uachtar” in English-Irish Dictionary, An Gúm, 1959, by Tomás de Bhaldraithe.
- Entries containing “uachtar” in New English-Irish Dictionary by Foras na Gaeilge.
- C. Marstrander, E. G. Quin et al., editors (1913–76), “1 úachtar”, in Dictionary of the Irish Language: Based Mainly on Old and Middle Irish Materials, Dublin: Royal Irish Academy, →ISBN