Ancient Greek θεσμός

← Welsh deddf (cognate)

← Proto-Indo-European *dʰh₁-dʰmó-s (derived)

← Proto-Indo-European *dʰeh₁- (mention)

→ English Theseus (mention)

→ Welsh deddf (cognate)

→ Greek θεσμός (inherited)

→ Ancient Greek Θησεύς (mention)

→ Ancient Greek Θεσμοφόρια (affix)