Lexical Definition

‎ἐνίστημι‎ enístēmi (en-is'-tay-mee) be present G:V
from ‎ἐν‎ and ‎ἵστημι‎

come, be at hand, present.

Usage: 6 forms in 7 verses
Form Translated As     In Verse(s)
ἐνστήσονται will be present 2Tim.3.1
ἐνεστῶτοσ having come presently Gal.1.4
ἐνεστῶτα things being present Rom.8.381Cor.3.22
ἐνεστῶσαν being present 1Cor.7.26
ἐνεστηκότα being present Heb.9.9
ἐνέστηκεν has been present 2Thess.2.2

Abbott-Smith

ἐν-ίστημι [in LXX: IV Ki 13:6 A (עמד), III Ki 12:24, I Es 5:47 9:6, Es 3:13, 1; I-IV Mac 9 * ;]
to place in; in pf., plpf., 2 aor. and in mid., intrans.;
(a) to be at hand, impend, threaten: II Ti 3:1;
(b) to be present: II Th 2:2 (but v. Thayer, s.v.); pf. ptcp., present: I Co 7:26, Ga 1:4, He 9:9; pl., Ro 8:38, I Co 3:22 (Cremer, 309).†

Abbott-Smith References

Book Refs
1 Kings 12:24
2 Kings 13:6
Ezra 3:1 · 3:13
Romans 8:38
1 Corinthians 3:22 · 7:26
Galatians 1:4
2 Thessalonians 2:2
2 Timothy 3:1
Hebrews 9:9

Liddell-Scott-Jones

ἐνίστημι,

causal in present, future and aorist 1 active, and aorist 1 middle:— put, place in, ἵππον ἐν λίθοις ἐνιστάναι [Refs 5th c.BC+]; εἰς αὐτὴν (i.e. τὴν πόλιν) ἡνίοχον ἐνστῆσαι [Refs 5th c.BC+]; τοὺς ἱπποκόμους εἰς (i.e. amongst) τοὺς ἱππέας . [Refs 5th c.BC+]

__2 in Law, institute an heir, . κληρονόμους τοὺς υἱούς [Refs 6th c.AD+]
__3 aorist 1 middle, also, begin, ὅσαι τὸ πρᾶγμα τοῦτ᾽ ἐνεστήσαντο [Refs 5th c.BC+]; τοιοῦτον ἀγῶν᾽ ἐνστησάμενος [Refs]; . τὸ πρᾶγμα, Latin rem instituere, [Refs 4th c.BC+]; ὀργὴν καὶ μῖσος πρός τινα ἐνστήσασθαι to begin to show.., [Refs 2nd c.BC+]: with infinitive, [Refs 1st c.BC+]
__4 ἐνστήσασθαι τὸ μέγεθος determine the size, [Refs 3rd c.BC+]
__B passive, with aorist 2, perfect, and pluperfect active:—to be set in, stand in, λὁχοις [Refs 5th c.BC+]
__B.2 enter upon, take possession of, νικάσας ἐν τὰν οὐσίαν ἐνίσταται τὰν τοῦ ἁλόντος [Refs]
__B.II to be appointed, σοῦ ἐνεστεῶτος βασιλέος [Refs 5th c.BC+]
__B.III to be upon, threaten, with dative person, τοιούτων τοῖσι Σπαρτιήτῃσι ἐνεστεώτων πρηγμάτων [Refs 5th c.BC+]; in war, press hard, τινί [Refs 2nd c.BC+]: absolutely, begin, [τοῦ θέρους] ἐνισταμένου [LXX+4th c.BC+]; to be at hand, arise, τότ᾽ ἐνστὰς πόλεμος [Refs 4th c.BC+]: especially in perfect participle, pending, present, μιᾶς ἐνεστώσης δίκης [Refs 5th c.BC+]; of Time, instant, present, τοῦ ἐνεστῶτος μηνός Philipp. cited in [Refs 4th c.BC+]; ἐνεστῶσα κακία, ἀνάγκη, [NT+4th c.BC+]
__B.III.2 esp. Grammars, ἐνεστὼς (i.e. χρόνος) the present tense, [Refs 2nd c.BC+]the state of completion expressed by the perfect tense, [Refs]aorist, τοῦ ποτὲ ἐνστάντος when the moment has arrived, [Refs 3rd c.AD+]; τὰ ἐνεστηκότα πράγματα present circumstances, [Refs 5th c.BC+]
__B.IV stand in the way, resist, block, τοῖς ποιουμένοις [Refs 5th c.BC+]: absolutely, stand in the way, [Refs 5th c.BC+]; ἐνεστηκώς the opponent in a lawsuit, [Refs 5th c.BC+]
__B.IV.2 in Logic, object, τῷ καθόλου [Refs 4th c.BC+]
__B.IV.3 of the Roman tribunes, exercise the right of intercessio, veto, [Refs 2nd c.BC+]
__B.V of fluids, congeal, freeze, ὕδωρ ἐνεστηκός [Refs 4th c.BC+]; become impacted in, ἐνιστάμενον ἐπὶ τὰ τοῦ στομάχου στενά (i.e. γάλα) [Refs 1st c.AD+]

LSJ Scripture Refs: LXX.1Kgs.12.241Cor.7.26