Manx sourey

← Old English sumor (cognate)

← Proto-Celtic *samos (derived)

← Welsh haf (cognate)

← Irish samhradh (cognate)

← Scottish Gaelic samhradh (cognate)

← Proto-Indo-European *sm̥-h₂-ó- (derived)

← Old Irish samrad (inherited)

← Old Armenian ամառն (cognate)