Irish loisc

← Proto-Celtic *laɸsketi (inherited)

← Welsh llosgi (cognate)

← Scottish Gaelic loisg (cognate)

← Ancient Greek λάμπω (cognate)

← Proto-Indo-European (inherited)

← Proto-Indo-European (mention)

← Proto-Indo-European *leh₂p- (mention)

← Old Irish loiscid (inherited)

→ Welsh llosgi (cognate)

→ Irish loisceoir (suffix)

→ Scottish Gaelic loisg (cognate)

→ Manx losht (cognate)