Scottish Gaelic coitcheann

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

← Irish coiteann (cognate)

← Manx cadjin (cognate)

← Middle Irish coitchenn (inherited)

← Old Irish coitchen (inherited)

→ Irish coiteann (cognate)

→ Scottish Gaelic uile-choitcheann (prefix)

→ Manx cadjin (cognate)