Breton kelenn

← Breton kelenner (link)

← Breton kelennerez (link)

← Proto-Brythonic *kolɨn (inherited)

← Proto-Celtic *kolinnos (inherited)

← Welsh celyn (cognate)

← English holly (cognate)

← Proto-Indo-European *ḱel- (root)

← Proto-Indo-European *ḱol- (derived)

← Proto-Indo-European *ḱel- (mention)

← Cornish kelyn (cognate)

← Old Breton colaenn (inherited)

← Old Irish cuilenn (cognate)

← Middle Breton quelenn (inherited)

→ Welsh celyn (cognate)

→ Irish cuileann (cognate)

→ Scottish Gaelic cuileann (cognate)

→ Manx cullyn (cognate)

→ Old Irish cuilenn (cognate)