derew

lie, falsehood, untruth, deceive

From Avestan druj “the evil force opposed to Ahuramazda” and draoga- (pres. druz-)'to lie, tell a lie, liar, deceiver, deceit', Druj (a demoness),

Sanskrit druh in drógha/droha - “(malicious) injury' & druhyati “deceives”,
Old Iranian *drauga,
OP duruj- “to lie, deceive” & draujana- “deceitful”
Persian dorûy.

Also Latin tradere "hand over" from trans "across" (see trans-) + dare "to give",
German Trug “deceit” & [be]trügen “to deceive”,
English [be]tray,
Old French traine "betrayal, deception, deceit” from trair (Modern French trahir) "betray, deceive".