(p. 75) arthāpatti (log.) a circumstantial source of proof, a kind of inference; presumption; (rhet.) a figure of speech akin to metonymy. 35)

(p. 115) āpta1 obtained, attained, realized, gratified (আপ্তকাম); free from errors; authoritative (আপ্তবাক্য); closely related as friends and relatives (আপ্তজন). ̃করণিক n. confidential clerk. ̃কাম a. one whose desires have been gratified. ̃কারী a. reliable; trustworthy. ̃জন n. one's own relative or friend. ̃বচন same as আপ্তবাক্য । ̃বন্ধু same as আপ্তজন । ̃বাক্য n. a revealed truth, revelation; (phil.) a source of knowledge; advice of one's own friends and relatives; a presumptive truth, an a priori truth. 61)