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Latin orbus
← Ancient Greek ὀρφανός (cognate)
← Proto-Indo-European *h₃erbʰ- (root)
← Proto-Indo-European *h₃órbʰos (inherited)
← Proto-Indo-European *h₃erbʰ- (mention)
← Sanskrit अर्भ (cognate)
← Old Armenian որբ (cognate)

→ English orb (derived)
→ English orphan (cognate)
→ English erf (cognate)
→ English orbate (mention)
→ Old English earfoþe (cognate)
→ Dalmatian vuarb (inherited)
→ Friulian vuarb (inherited)
→ Mycenaean Greek 𐀃𐀞 (cognate)
→ Ancient Greek Ὀρφεύς (cognate)
→ Ancient Greek ὀρφανός (cognate)
→ Istriot uorbo (inherited)
→ Italian orbo (inherited)
→ Italian orbare (mention)
→ Latin orbitas (affix)
→ Latin orphanus (mention)
→ Latin Orbona (mention)
→ Latin Orbilius (mention)
→ Romanian orb (inherited)
→ Romanian vatră (mention)
→ Romanian orbecăi (inherited)
→ Aromanian orb (inherited)
→ Aromanian orbu (inherited)
→ Sanskrit अर्भ (cognate)
→ Sicilian orbu (inherited)
→ Sicilian orvu (inherited)
→ Old Irish erbaid (cognate)
→ Albanian verbër (derived)
→ Albanian arbën (cognate)
→ Venetian orbo (inherited)