köken: From Middle High German diep, Old High German diob, from Proto-West Germanic *þeub, from Proto-Germanic *þeubaz. Cognate with Old Norse þýfð, Old English þēof, Dutch dief, English thief, Gothic 𐌸𐌹𐌿𐍆𐍃 (þiufs).
köken: From Middle Persian [script needed] (dwz, “thief”), from Proto-Indo-Iranian *duš- (“bad, wrong”), from Proto-Indo-European *dus- (“bad, wrong”). From the same root comes also دشمن (došman, “enemy”). Cognate with Sanskrit दुस्- (dus-, “bad”), Avestan 𐬛𐬎𐬱- (duš-, “bad”) and Ancient Greek δυσ- (dus-, “bad”).
köken: From Proto-Turkic *ogrï (“thief”). Cognate with Old Turkic 𐰆𐰍𐰺𐰃 (oγrï /uǧr¹i/, “thief”), Karakhanid اُغْریٖ (oγrï), Turkish uğru, Uyghur ئوغرى (oghri), Uzbek oʻgʻri, Kazakh ұры (ūry), Kyrgyz ууру (uuru), Bashkir уғры (uğrı), Yakut уор (uor), Chuvash вӑрӑ (vără). The sense career criminal is likely a 20th century semantic loan from Russian вор в законе (vor v zakone).