ἐν in (poetic ἐνί, εἰν, εἰνί), Lat. in with the abl., en-; opposed to εἰς into, ἐξ out of. On ἐν with the genitive by ellipsis, see 1302.
1. ἐν with the Dative (Locative) only
a. Local: in, at, near, by, on, among: ἐν Σπάρτῃ
in Sparta 1.128, ἡ ἐν Κορίνθῳ μάχη
the battle at Corinth Ages. 7.5, πόλις οἰκουμένη ἐν τῷ Εὐξείνῳ πόντῳ
a city built on the Euxine A. 4.8.22, ἐν τῇ κλῑ́νῃ ἑστηκώς standing upon the bed 1.24 (ἐν of superposition is rare), νόμοι ἐν πᾶσιν εὐδόκιμοι τοῖς Ἕλλησιν
laws famous among all the Greeks L. 631b, ἐν ῡ̔μῖν ἐδημηγόρησεν he made an harangue before (coram) you 8.74. With verbs of motion, see 1659 a. Of circumstance, occupation, as οἱ ἐν τοῖς πρᾱ́γμασιν
the men at the head of affairs 9.56 (so ἐν εἰρήνῃ, ἔργῳ, ὠφελείᾳ, φιλοσοφίᾳ, φόβῳ εἶναι; ἐν αἰτίᾳ ἔχειν to blame, ἐν ὀργῇ ἔχειν to be angry with); in the power of: ἐν τῷ θεῷ τὸ τέλος ἦν, οὐκ ἐμοί the issue rested with God, not with me 18.193, ἐν ἑαυτῷ ἐγένετο
he came to himself A. 1.5.17.
b. Temporal: in, within, during (cp. 1542): ἐν πέντε ἔτεσιν
in five years 19.29, ἐν σπονδαῖς
during a truce 1.55, ἐν ᾧ while.
c. Instrument, Means, Cause, Manner (originally local): ἐν ὀφθαλμοῖσιν ἴδωμαι see with the eyes A 587, ἐν ἑνὶ κινδῡνεύεσθαι to be endangered by (i.e. to depend on) a single person 2.35, ἐν τούτοις ἢ λῡπούμενοι ἢ χαίροντες
either grieving or rejoicing at this R. 603c, ἐν τούτῳ δηλῶσαι to make clear by this 392 e, ἐν τῷ φανερῷ
openly A. 1.3.21. Conformity: ἐν τοῖς ὁμοίοις νόμοις ποιήσαντες τᾱ̀ς κρίσεις
deciding according to equal laws 1.77, ἐν ἐμοί
in my opinion Hipp. 1320.
N.—In many dialects, e.g. those north of the Corinthian Gulf (rarely in Pindar), ἐν retains its original meaning of in (with dat.) and into (with accus.). The latter use appears in ἐνδέξια towards the right.
2. ἐν in Composition
In, at, on, among (ἐμπῑ́πτειν fall in or on, ἐντυγχάνειν fall in with, ἐγγελᾶν laugh at, ἐνάπτειν bind on).