köken: Inherited from Old East Slavic робѧ (robę), diminutive of робъ (robŭ, “slave”) from Proto-Slavic *orbę. Compare with па́робок (párobok, “lad”) (dialectal). The relationship with "slave" could arise from the meaning "orphan" because orphans carried out the hard work in the household.
Etimoloji
Etymology tree Old Polish basałyk Polish basałyk Inherited from Old Polish basałyk.