Treachery
来自Big Physics
Middle English: from Old French trecherie, from trechier ‘to cheat’.
wiktionary
From Middle English trecherie, from Old French tricherie, trecherie, from tricher, trichier(“to cheat”), from Middle Dutch trek(“a trick”), from trekken(“to draw, play a trick on”). More at trick.
etymonline
treachery (n.)
"treasonable or perfidious conduct," c. 1200, from Old French trecherie, tricherie "deceit, cheating, trickery, lies" (12c.), from trechier "to cheat, deceive" (see trick (n.)).
