Proto-Indo-European *kuH-l-

→ Catalan cul (derived)

→ Spanish culo (derived)

→ French cul (derived)

→ Italian culo (derived)

→ Latin culus (derived)

→ Latin cucullus (derived)

→ Ladin cul (derived)

→ Portuguese cu (derived)

→ Romanian cur (derived)

→ Old Irish cúl (derived)