- siubhal
- walking, so Irish, Middle Irish siubal, for *siumal, Welsh chwyf, motus, chwyfu, move, stir, Middle Breton fifual, now finval, stir; root svem, move; Old High German, Anglo-Saxon swimman, English swim. Cf. Welsh syflyd, move, stir.
Etymological dictionary of the Gaelic language. Alexander Gairm Publications. 1982.