köken: From Middle High German eit, from Old High German eid, from Proto-West Germanic *aiþ, from Proto-Germanic *aiþaz. Compare Dutch eed, English oath, Danish ed.
köken: Inherited from Middle Persian [script needed] (glwb' /graw/), from Proto-Indo-Iranian *grabʰ-, from Proto-Indo-European *gʰrebʰ-. Cognate with Avestan 𐬔𐬀𐬭𐬆𐬡 (gar^əβ, “to seize”), Sanskrit ग्रभ् (grabh), English grab. Related to گرفتن (gereftan, “to take”).
köken: From *ant (“oath”), of uncertain origin. Cognate with Karakhanid [script needed] (and, “oath”) (in Dīwān Lughāt al-Turk); Uzbek ont (“oath”), Uyghur ئانت (ant, “oath”), Turkmen ant (“oath”), Turkish ant (“oath”), Western Yugur at (“oath”), etc.
promise, pledge · rising star, emerging talent, promising talent (person) · nomination whist, oh well (card game in which one aims to winning exactly the bid number of tricks)
Inherited from Middle French serement (1415, Charles d'Orléans), from Old French sairement (twelfth century), from earlier sagrament (842, Serments de Strasbourg), from Latin sacramentum. Doublet of sacrement.