okasta , taken by Senart i note p. 556 as ppp. of ava with root kas (see BR ), gone down, descended . I cannot improve on this suggestion, altho no form of this cpd. has been recorded elsewhere. Usually with acc. or loc. of that to (sometimes into) which the subject has gone down , the pple. °to or °tā being a periphrasis for a past tense: to the sea, in order to embark, Mv i.245.4 ; to a river, ii.212.15 (to draw water); iii.313.8 ; to a pool, ii.450.2 (by a staircase, sopānena), 15; iii.24.19 ; 29.16 ; from the Himalayan region into another country Mv i.232.3 (text uncertain), 12; to the bazaar-street iii.35.17 ; 37.3 ; from a wagon iii.39.16 ; a nāga enters into the Buddhaʼs alms-bowl, iii.429.3 . Not found outside of Mv .