present 3 singular
Upavasati [upa + vasati]. 1. to dwell in or at Ja III 113; Sv I 139. 2. to live (transitive); to observe, keep (a holy day); only in phrase uposathaṃ upavasati to observe the fast day S I 208; A I 142, 144, 205; Snp 402 (gerund upavassa); Ja III 444; Pj II 199; Pv-a 209. — past participle upavuttha (q.v.). See also uposatha. {131}
lives in a state of abstinence, observes (a fast or (the duties of) an uposatha day)
(upa + vas + a),住在，觀察。upavasi,【過】。upavuttha,【過分】。
(pr, pr) (of uposatha) observes; keeps dwells in or at, observes [lit.] lives near Construction: upa + vasa + ti