Old Irish glas

← Old English clyppan (cognate)

← Proto-Celtic *glastos (inherited)

← Proto-Indo-European *ǵʰelh₃- (root)

← Old Irish *glapsâ (mention)

→ Persian لاجورد (cognate)

→ Irish glas (inherited)

→ Irish glas (inherited)

→ Scottish Gaelic glas (inherited)

→ Scottish Gaelic glas (inherited)

→ Scottish Gaelic glais (inherited)

→ Manx glass (inherited)

→ Manx glass (derived)