For the most recent study of usage see Y. Breuer, תפקיד המילית ”קא” בארמית הבבלית, Leš 60/1-2(1997)73ff. Neither many modern scholars nor ancient non-Babylonian writers/scribes necessarily understood the function of this particle; note the cited heavily Babylonianizing LJLA passage where it has been used as a literary flourish to parallel כד. Page refs. in other dictionaries: DJBA: 976a; Jastrow: 1306; Levy Ch-W: 2:338;