Irish caoin

← Welsh cwyn (cognate)

← Middle Irish caín (inherited)

← Middle Irish caínid (inherited)

← Middle Irish caínid (inherited(ga/gd))

← Old Irish caín (inherited)

← Old Irish caín (mention)

← Old Irish coínid (inherited)

← Old Irish coínid (inherited(ga/gd))

→ English keen (derived)

→ English Quinlan (mention)

→ Irish goil (link)

→ Irish caoine (affix)

→ Irish síocháin (mention)

→ Irish eascaoin (prefix)

→ Irish caoineas (affix)

→ Irish caoineadh (affix)