A voce Proto-Slavica *dobrŭ = Palaeoslavice добръ (dobrŭ, bonus, pulcher), a radice Protindeuropaea *dhobh-ro-, a *dhabh- “apto”. Cognatum est Latine faber.
dobr|y, -a, -e, dobrzy, -e; sup. lepsz|y, -a, -e, lepsi, -e
