Cave

The Slang Dictionary Etymological Historical and Anecdotal · 1913 · p. 7
or CAVE IN , to submit, shut up.— American. Metaphor taken from the sinking of an abandoned mining shaft. Chaff , to gammon, joke, quiz, or praise ironically. Originally “to queer” represented our modern word “ CHAFF .” Chaff -bone, the jaw-bone.— Yorkshire. Chaff , jesting. In Anglo-Saxon , CEAF is chaff; and CEAFL , bill, beak, or jaw. In the Ancren Riwle , A.D. 1221, CEAFLE is used in the sense of idle discourse.
Readham'da tam maddeyi gor →