Words for mountain and related words in Celtic languages.

Cwm Idwal

Proto-Celtic *slēbos = mountain, slope
Old Irish (Goídelc) sliab [sʲl͈ʲiːa̯v] = mountain, mountain range; moor
Irish (Gaeilge) sliabh [ʃlʲiəvˠ / ʃl̠ʲiəvˠ / ʃl̠ʲiəw] = mountain, moor, moorland
Scottish Gaelic (Gàidhlig) sliabh [ʃl͈ʲiəv] = hillside, slope, mountain
Manx (Gaelg) slieau [slʲuː / ʃlʲuː] = mountain, fell, hillside, moor, berg
Proto-Celtic *moniyos = mountain
Pictish monid = mountain
Middle Irish (Gaoidhealg) moned, monad = mountain
Scottish Gaelic (Gàidhlig) monadh [mɔnəɣ] = mountain (covered with moors), high-lying moorland; expanse of heather
Manx (Gaelg) muyne = mountain
Proto-Brythonic *mönɨð = mountain
Middle Welsh (Kymraec) mynyð [ˈmənɨð] = mountain
Welsh (Cymraeg) mynydd [ˈmənɨ̞ð / ˈmənɪð] = mountain, (large) hill, large pile, great amount; common, unenclosed land, mountain land, moorland; agricultural land; plain
Old Cornish menit = mountain
Cornish (Kernewek) menydh [‘mɛnɪð] = mountain, hill, uphill
Old Breton monid = mountain
Breton (Brezhoneg) menez = mount, mountain

Etymology: from the Proto-Indo-European *men- (to tower, stand out) [source], which is also the root of English words such as mount, mountain, prominent and eminent [source].

Words marked with a * are reconstructions.

Sources: Wiktionary, Am Faclair Beag, Online Manx Dictionary,, eDIL – Electronic Dictionary of the Irish Language, In Dúil Bélrai English – Old Irish glossary, Geiriadur Prifysgol Cymru, Gerlyver Kernewek, Dictionaire Favereau, TermOfis, English – ProtoCeltic WordList (PDF), Etymological Dictionary Of Proto Celtic

Leave a Reply

Your email address will not be published. Required fields are marked *