Welsh glas

← Breton glas (cognate)

← Proto-Brythonic *glas (inherited)

← Proto-Celtic *glastos (inherited)

← Welsh glas (link)

← Welsh glasfyfyriwr (link)

← Irish glas (cognate)

← Scottish Gaelic glas (cognate)

← Manx glass (cognate)

← Proto-Indo-European *ǵʰelh₃- (root)

← Cornish glas (cognate)

→ English Glasscock (derived)

→ English Maesglas (mention)

→ Welsh gwyrddlas (compound)

→ Welsh glas (link)

→ Welsh glaswellt (compound)

→ Welsh gleisiad (suffix)

→ Welsh glasgoch (affix)

→ Welsh cochlas (affix)

→ Welsh camlas (compound)

→ Scottish Gaelic glas (cognate)