ὑπόβαθρα
From LSJ
ἅπαντι δαίμων ἀνδρὶ συμπαρίσταται εὐθὺς γενομένῳ μυσταγωγὸς τοῦ βίου → a spirit assists every man from birth to be the leader of his life
English (LSJ)
ἡ,
A plinth, pedestal, Supp.Epigr.6.319 (Laodicea Combusta).
II metaph., ὑ. τῶν συλλογισμῶν S.E.P.2.166, cf. Procl.Inst.71; αἱ τῶν ἄλλων τεχνῶν ὑ. τε καὶ ἀρχαί Aristid.Quint.3.10; ἡ ὕλη ὑ. καὶ ἕδρα δοκεῖ τῷ εἴδει εἶναι Plot.6.3.4, cf. Ruf.Anat.2.
2 pl., ὑποβάθραι stages in the pursuit of virtue, Max.Tyr.40.4.
Russian (Dvoretsky)
ὑπόβαθρα: ἡ Sext. = ὑπόβαθρον.