ὑπεισ-έρχομαι · hypeis-erchomai — LSJ
enter upon secretly, came on, unawares, have stolen over
enter upon secretly, λαθὸν ὑπεισῆλθεν τὸ γῆρας, v.l. for ὑπῆλθεν, came on me unawares, Pl. Ax. 367b; πάντως ἂν οἶκτος αὐτὸν ὑπεισῆλθε pity would have stolen over him, Lib. Decl. 6.38 (v.l. ὑπῆλθε).
2 come into oneʼs mind
come into oneʼs mind, Luc. Merc.Cond. 11.
3 enter instead, be substituted, are substituted
enter instead, be substituted, τῶν συμφώνων τούτων, ἃ ὑπεισέρχεται εἰς τὸν τόπον τούτου the consonants which are substituted for it, Dosith. p.385 K.
4 enter, in oneʼs turn, succeed to
enter a body in oneʼs turn, εἰς τοὺς ἐμοὺς ἀνθρώπους PGiss. 40i6 (iii A. D.); succeed to office, βουλευτικὸν φρόντισμα PSI 6.684.4 (iv/v A. D.).
II slip into, assume
slip into, assume, πρᾶον σχῆμʼ ὑπεισελθών Men. 689.