Cornish als

← Breton aod (cognate)

← Proto-Celtic *altos (inherited)

← Welsh allt (cognate)

← Irish alt (cognate)

← Old High German alt (cognate)

← Proto-Indo-European (inherited)

← Proto-Indo-European *h₂el- (mention)

← Latin altus (cognate)

→ Breton aod (cognate)

→ Scottish Gaelic allt (cognate)