aDyApakaH [ aDi-i-Ric-Rvul ] A teacher, preceptor, instructor; especially of the Vedas; vyAkaraRa° , nyAya° professor or teacher of grammar, logic &c.; Bftaka° a hired teacher, mercenary teacher; °uditaH styled a professor. According to Viṣṇu Smṛti an adhyāpaka is of 2 kinds: he is either an Ācārya i. e. one who invests a boy with the sacred thread and initiates him into the Vedas, or he is an Upādhyāya i. e. one who teaches for livelihood ( vfttyarTaM ) See Ms. 2. 140-141 and the two words.