Proto-Indo-European *yek-

→ English joke (derived)

→ English Yule (derived)

→ English giocoso (root)

→ Welsh iaith (inherited)

→ French gêne (derived)

→ Italian giocoso (root)

→ Italian giullare (root)

→ Italian giullaresco (root)

→ Latin iocus (derived)

→ Ligurian zêugo (root)

→ Ligurian zêugo (mention)

→ Ligurian zugâ (root)

→ Latvian joks (mention)

→ Old Frisian iechta (root)