γηράσκω,
fut. γηράσομαι [ᾱ ] Critias 1.5 (and in compds., ἐγ-, κατα-, συγ-, Th. 6.18, Ar. Eq. 1308, E. Fr. 1058); γηράσω Pl. R. 393e: poet. inf. γηρᾱσέμεν Simon. 85.9: aor. ἐγήρᾱσα (κατ-) Hdt. 2.146, Pl. Tht. 202d (also causal, cf. infr. 11): acc. fem. part. γηράσασαν (v.l. γηρᾶσαν) Hdt. 7.114: pf. γεγήρᾱκα S. OC 727, etc.: - also γηράω X. Cyr. 4.1.15, Arist. EN 1135b2, Men. 481.14, Plu. 2.911b, part. γηρῶν Epict. Fr. 3: aor. 2 (as if from γήρημι or γήρᾱμι) ἐγήρα Il. 7.148, 17.197, Od. 14.67, (κατ-) Hdt. 6.72; inf. γηράναι [ᾰ ] A. Ch. 908 (cum Sch.), S. OC 870 (so EM 230.53, but γηρᾶναι Moer. 115), part. γηράς Il. 17.197, dat. pl. γηράντεσσι Hes. Op. 188, gen. pl. [ὑπερ-] γηράντων dub. in Ael. NA 7.17; also γηρείς, έντος, Xenoph. 9: - Med., γηράσκομαι Hes. Fr. 171: -
I Pass., (ὑπερ-) γηραθείς Ps.-Callisth. 1.25: - grow old, and in aor. and pf., to be so, κηρύσσων γήρασκε grew old in his office of herald, Il. 17.325, cf. 2.663, etc.; of things, ὄγχνη ἐπ’ ὄγχνῃ γ. Od. 7.120; χρόνος γηράσκων A. Pr. 981; πάλιν γὰρ αὖθις παῖς ὁ γ. ἀνήρ S. Fr. 487; μετὰ τὴν δόσιν γ. χάρις Men. Mon. 347; τὸ τῆσδε χώρας οὐ γεγήρακε σθένος S. OC 727: c. acc. cogn., βίον τοιοῦτον γηράναι ib. 870: - so in Med., Hes. Fr. 171.
II causal in aor. 1 ἐγήρᾱσα, bring to old age, ἐγήρασάν με τροφῇ A. Supp. 894; γηράσας πόδα (but perh. acc. cogn.) AP 6.94 (Phil.). (Akin to γέρων, γῆρας.)
G1095 — γηράσκω
or γηράω: 1 aorist ἐγήρασα; from Homer down; (cf. Winers Grammar, 92 (88); Donaldson, New Crat. § 387); to grow old: [Joh 21:18]; of things, institutions, etc., to fail from age, be obsolescent: [Heb 8:13] (to be deprived of force and authority; (here associated with παλαιουμενος — the latter (used only of things) marking the lapse of time, while γηρασκων carries with it a suggestion of the waning strength, the decay, incident to old age (cf. Schmidt, chapter 46, 7; Theophrastus, caus. pl. 6, 7, 5): that which is becoming old and faileth for age etc.)).