Manx cum

← Irish coinnigh (cognate)

← Scottish Gaelic cum (cognate)

← Middle Irish cummaid (inherited)

← Middle Irish cumma (mention)

← Old Irish con·gaib (inherited)

← Old Irish cummae (derived)

→ Scottish Gaelic cum (cognate)

→ Manx co-chum (prefix)

→ Manx aachum (prefix)