Sanskrit ज्योतिस्

← Proto-Indo-European *dyew- (root)

← Sanskrit ज्युत् (root)

← Sanskrit द्युत् (root)

← Sanskrit ज्युत् (mention)

← Sanskrit द्युत् (mention)

→ Assamese জুই (inherited)

→ Hindi ज्योति (learned borrowing)

→ Sanskrit ज्योतिष (mention)