Words for house, town, village in Celtic languages.

Proto-Celtic	*baliyos, *baljo- = house
Old Irish (Goídelc)	baile [ˈbalʲe] = place, homestead, town, city
Middle Irish (Gaoidhealg)	baile = place, settlement, farm(stead), (fortified) village, town, city gráig-baile = hamlet, village
Irish (Gaeilge)	baile [ˈbˠalʲə] = home, place, township abhaile = home, homewards ardbhaile = chief town, centre Baile Átha Cliath = Dublin baile beag = village baile mór = town bruachbhaile, fo-bhaile = suburb leathanach baile = homepage sráídbhaile = village
Scottish Gaelic (Gàidhlig)	baile [balə] = town, township, village, hamlet, town, home, farm baileachan = small town, village baile-beag = town, village baile-fearainn = farmstead, townland baile-mór = town, city baile-turasachd = holiday resort prìomh-bhaile = capital city
Manx (Gaelg	balley = town, home, farmstead, base balley beg = village, hamlet, homestead, settlement balley dooghys = home town balley margee = market town Balley Chashtal = Castletown fo-valley = suburb preeu-valley, ard-valley = (capital) city

Etymology: from the Proto-Indo-European *bʰuH- (to become, appear, grow) [source].

Words from the same PIE root include ból (dwelling, abode, home, lair, bed) in Icelandic, boedel (estate) in Dutch, and bosky (bushy, bristling) in English [source].

Words marked with a * are reconstructions.

Sources: Wiktionary, Am Faclair Beag, Online Manx Dictionary, Teanglann.ie, eDIL – Electronic Dictionary of the Irish Language, In Dúil Bélrai English – Old Irish glossary, Geiriadur Prifysgol Cymru, Gerlyver Kernewek, Gerlyvyr Cernewec, Dictionaire Favereau, TermOfis, Le dictionnaire diachronique du breton, Geriafurch, English – ProtoCeltic WordList (PDF), Etymological Dictionary Of Proto Celtic