Betrayal
来自Big Physics
Middle English: from be- ‘thoroughly’ + obsolete tray ‘betray’, from Old French trair, based on Latin tradere ‘hand over’.
wiktionary
From betray + -al.
etymonline
betrayal (n.)
1798, from betray + -al (2). Earlier in the same sense were betrayment (1540s), betraying (late 14c.).
