köken: From Middle High German betriegen, from Old High German bitriogan, from Proto-West Germanic *bidreugan. Equivalent to be- + trügen. The modern -ü- in this verb chiefly follows the development in the rhyming word lügen (“to lie”). It was reinforced by the noun Betrug and by the 2nd and 3rd person-singular forms (as in lügen itself, which compare).
aile: Betrüger, Betrügung
Sie betrügt dich mit ihrer falschen Fürsorge.
Du betrügst dich, wenn du noch auf Besserung hoffst.
Er hat die Firma um mehrere tausend Euro betrogen.
köken: First attested in James Scarth Gale's Korean-English Dictionary, 1897. The etymology is unclear. The second element is clearly the derogatory agentive suffix -보 (-bo) (cf. 먹— (meok-, “to eat”) > 먹보 (meokbo, “glutton”)), but the first element is uncertain. Two hypotheses have been suggested (Cho Hang-beom 2019, pp. 161—164): * Dropping of the final consonant in 밥 (bap, “rice; food”), with the…
köken: From Old Swedish dāre, from Old Norse dári, Middle Low German dore, from Old Saxon *dōro, from Proto-West Germanic *dauʀō. See also German Tor; Icelandic dári, Danish dåre.
fool (person with poor judgment or little intelligence)
çekim: çoğul fjolser · tamlayan fjols'
köken: From Old Danish fol (“a fool”), from Old French fol, from Latin follis.
Etimoloji
Through Helsinki slang, attested since the early 20th century. Apparently borrowed from Russian даю́ (dajú, “I give (a beating)”), conjugated form of Russian дава́ть (davátʹ, “to give”) in the expression Russian даю по морде (daju po morde, “to beat up”, literally “to give to the face”). Compare mortu (“face”) from old Vyborg slang.