(with aor. and pf. Pass.), to be earnest, serious, Hdt. 2.173; οὐδαμῶς κατεσπουδασμένος ἀνήρ ib. 174; κατεσπουδασμέναι δεήσεις D.H. 11.61, cf. 4.67; — later in Act., ἐὰν αὐτός τις… φαίνηται κατεσπουδακώς Phld. Mort. 31; also c. dat., take a serious interest in, βλαβεροῖς κ. Id. Mus. p. 56 K. ; abs., Apollon.Soph. Lex. s.v. ἐπείγετον. as Pass., to be troubled, LXX Jb. 23.15, Aq. 2 Ki. 4.1, al.
to be oppressed, ὑπὸ μειζόνων Vett.Val. 254.16.

Dep., to be very earnest or serious , (Herdotus Historicus); οὐδαμῶς κατεσπουδασμένος ἀνήρ (Herdotus Historicus) (ML)