prāyaṇī́ya mfn. relating to the entrance or beginning, introductory, [Br.]; [ĀśvŚr.]
prāyaṇī́ya m. (scil. yāga or karma-viśeṣa or atirātra) the introductory libation or the first day of a Soma sacrifice, [Br.]; [ŚrS.]
prāyaṇī́ya n. = (m.), [ib.] (-tva n., [Kapiṣṭh.])