Bailly
v. ἔνδον.
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LSJ
Adv. Comp. of ἔνδον, more within, quite within, ἐ. συστέλλειν ἑαυτόν to draw himself within his means, Plu. Cat. Ma. 5; ἐ. τῆς χρείας προσαγαγέσθαι to unite into greater intimacy, Id. Arat. 43; within, Placit. 5.21.2; (sc. κόσμου) ib. 1.18.4; ἐ. τείχους J. AJ 15.11.3; farther on, below, in a book, D.L. 10.43, etc. of Time, within a certain limit, sooner, Hp. Fract. 33. Sup. ἐνδοτάτω quite within, Luc. Am. 16; innermost, Procl. Hyp. 6.12; οἱ ἐνδοτάτω Θρᾷκες Hdn. 6.8.1; c. gen., very far in, Plu. 2.918f. Adj. ἐνδότερος, ον, inner, PLond. 4.1768.2 (vi AD); Sup. ἐνδότατος inmost, Ἀρμενία Just. Nov. 31.1 Intr. ; τόποι Hsch. s.v. μυχοί.
Liddell-Scott-Jones, Greek-English Lexicon (9th ed., 1940)