- tlàth
- mild, smooth, Irish tlaith (tláith, O'Br.), tlath, Early Irish tlaith, Welsh tlawd: *tlâti-, "long-suffering", from tel, bear, endure; Greek $$Gtlctós, tláw, endure; Latin tollo, raise, tuli, lâtus (for *tlâtus), borne; English, Scottish thole.
Etymological dictionary of the Gaelic language. Alexander Gairm Publications. 1982.