ὑπόβᾰσις,εως,ἡ, (ὑποβαίνω)
A. going down, retiring,of the Nile floods, Str. 17.1.4 ;καθ' ὑπόβασιν downwards,in bandaging, Sor. Fasc. 58 ; καθ' ὑπόβασιν τῆς τῶν πρωτείων τάξεως downwards through the series,
Ptol. Tetr. 46
;οὕτω καθ' ὑπόβασιν μέχρις ἀπείρουand soonad infinitum, S.E. M. 9.306 , cf. P. 3.87 ;successive diminution,of theterms in a series, opp.προκοπή,
Iamb. in Nic. p.19P.
2. in Neoplatonism,declension, descentfrom eternity to the world, etc. (v.ὑποβαίνωIV), Procl. in Prm. p.492
S.,Inst. 21 , 97 , al., in Ti. 2.206
D. , al., Aristid.Quint. 3.10 ; ὑ. ἑβδοματική
Dam. Pr. 205
; ἡ κατ' οὐσίαν αὐτῶν ὑπεροχή τε καὶ ὑ.
Hierocl. in CA 1p.419M.
, cf. Simp. in Ph. 774.21 .
3. moral declension,
Plot. 1.8.7 ;declensionfrom perfect health, Aët. 4.1 .