to cheat (especially in games, but also in business, school, etc.)
çekim: geçmiş schummelte · ortaç geschummelt · şimdiki schummelt · ulaç schummelnd
köken: There are two main theories, which need not be mutually exclusive but may complement each other. * From dialectal schummeln, originally probably “to move back and forth”, whence various attested senses: “waver, totter; rock, swing, push; chase off; abscond, steal away; take clandestinely; rummage; bustle about; do housework”, etc. In favour of this derivation speaks that the sense “to cheat” was…
to con, swindle, cheat, trick, deceive, hoax, defraud
çekim: geçmiş huijannut · şimdiki huijaa · ulaç huijaava
köken: Uncertain, has sometimes been theorized to be a borrowing from Proto-Germanic *swīkwaną (suggesting derivation through Proto-Finnic *huigat'ak, although no other Finnic cognates are known). Compare huikata, huikkia (“to barter”).
çekim: geçmiş bedrog · ortaç bedraget · ulaç bedragende
köken: From Middle Low German bedrēgen, from Proto-West Germanic *bidreugan, cognate with German betrügen, Dutch bedriegen, derived from Proto-Germanic *dreuganą, hence German trügen, Gothic 𐌳𐍂𐌹𐌿𐌲𐌰𐌽 (driugan). The Danish verb has been assimilated to the native word drage (“to draw”).
köken: From Proto-Mon-Khmer *koŋ (“to bend; to be bent”) (whence Khmer កោង (kaong, “to bend; to be bent”)). Cognate with Thai ก่ง (gòng), ก้งโค้ง, โก่ง (gòong), โก้งโค้ง, โค้ง (kóong).