संस्‍कृतशब्‍दकोशः

आदिष्टिन्

ब्रताचारी‚ ब्रह्मचारी

one observing vowes, a brahmacharin

Monier–Williams

आदिष्टिन् — {ā-diṣṭin} {ī} m. one who receives (religious) instruction, a student, Brāhman in the first order of his life v, 88##one who gives instruction