Old Irish ceilid

← Proto-Celtic *keleti (inherited)

← Proto-Indo-European *ḱel- (root)

← Proto-Indo-European *ḱéleti (inherited)

→ Welsh celu (cognate)

→ Irish ceil (inherited)

→ Latin celo (cognate)

→ Old Irish conceil (affix)

→ Old Irish doceil (affix)

→ Old Irish dechellt (mention)

→ Old Irish arcela (affix)