Ancient Greek ἐλαφρός

← Ancient Greek ἐλαχύς (mention)

← Proto-Indo-European *h₁ln̥gʷʰrós (derived)

→ English lung (mention)

→ Old Church Slavonic льгъкъ (cognate)

→ Greek ελαφρός (inherited)

→ Russian лягать (cognate)