Persian سوگند

← Persian سوختن (link)

← Persian سوگ (link)

← Persian سوگند (link)

← Proto-Indo-European *ḱewk- (derived)

← Middle Persian swknd (inherited)

→ Persian سوگ (link)

→ Persian سوگند (link)

→ Hindi सौगंद (borrowed)

→ Northern Kurdish sond (cognate)

→ Urdu سوگند (mention)