Manx cadjin

← Proto-Celtic *[[kom-]][[tegos|teges-]]nos (inherited)

← Irish coiteann (cognate)

← Scottish Gaelic coitcheann (cognate)

← Middle Irish coitchenn (inherited)

← Old Irish coitchen (inherited)

→ Irish coiteann (cognate)

→ Scottish Gaelic coitcheann (cognate)

→ Manx shamyr chadjin (affix)

→ Manx co-chadjin (prefix)

→ Manx neuchadjinagh (affix)

→ Manx neuchadjinys (affix)

→ Manx neuchadjin (affix)