Usage: 9 forms in 22 verses
Form Translated As     In Verse(s)
πρόσκειται it lies near LXX.Num.21.15
lies near LXX.Exod.10.10
πρόσκεισαι do you lie near to LXX.Job.26.2
προσκειμένων lying LXX.Lev.22.18
lying near LXX.Lev.17.13
ones lying nearby LXX.Lev.17.8LXX.Lev.17.10
προσκειμένω lying near LXX.Lev.25.6LXX.Num.15.16LXX.Num.15.26LXX.Num.15.29LXX.Josh.20.9
προσκειμένοισ joining LXX.Isa.56.6
lying near LXX.Num.15.15
lying nearby LXX.Num.19.10
προσκειμένασ lying near LXX.Ezek.37.19
προσκείσθαι joining LXX.Deut.1.36
to lie near LXX.Josh.22.5
προσκείμενοσ joining LXX.Isa.56.3
joining up LXX.Lev.16.29
lying near LXX.Lev.17.12
προσκείμενοι joining with LXX.Deut.4.4

Liddell-Scott-Jones

πρόσκειμαι (proskeimai) to join up with G:V

πρόσκειμαι

(on the Ionic dialect forms see at {κεῖμαι}), serving as passive to προστίθημι, to be placed or laid by or upon, lie by or upon, οὔατα προσέκειτο handles were upon it, [Refs 8th c.BC+]; τῇ θύρᾳ πρόσκεισο keep close to the door, [Refs 5th c.BC+]; δοκοὶ τῷ τείχει.. προσκείμεναι lying near the wall, [Refs 5th c.BC+]; of places, lie near, be adjacent, τῷ καλῷ ἀκρωτηρίῳ [Refs 2nd c.BC+]; προσκείμενος [ἵππος] the inside horse (turning a corner), [Refs 5th c.BC+]

__2 lie beside, cling to, ἀμφὶ μέσσῃ περιπετῆ προσκείμενον [Refs 5th c.BC+]
__3 of pessaries, to be applied, remain in place, [Refs 5th c.BC+]
__II generally, to be involved in or bound up with, εἴ τῳ πρόσκειμαι χρηστῷ [Refs 5th c.BC+]; σὺ πρόσκεισαι κακῷ[Refs 5th c.BC+]
__II.2 to be attached or devoted to, τινι [Refs 5th c.BC+]; devote oneself to the service of a god, τῷ Διονύσῳ [Refs 2nd c.AD+]; π. διάκονος καὶ ἀκόλουθος ἐκείνῳ (i.e. τῷ θεῷ) [Refs 2nd c.AD+]; also of things, π. τῷ λεγομένῳ put faith in a story, [Refs 5th c.BC+]; π. οἴνῳ, τῇ φιλοινίῃ, to be addicted to wine, [Refs]; ἄγραις devote oneself to hunting, [Refs 5th c.BC+]
__II.3 urge, entreat, solicit, Κύρῳ π. δῶρα πέμπων [Refs 5th c.BC+]; π. αὐτῷ ἀξιοῦντες.. [Refs 5th c.BC+] with importunity, [Refs 5th c.BC+]; προσκείμενος ἐδίδασκε with zeal, [Refs 5th c.BC+]
__II.3.b in military sense, press hard, pursue closely, ἵππος προσέκειτο πᾶσα [Refs 5th c.BC+]; μάλιστα αὐτοῖς προσκέοιντο [Refs 5th c.BC+]; τὸ προσκείμενον the pressure of the enemy, [Refs 5th c.BC+]
__III to be assigned to, fall to, belong to, τοῖσι θεῶν τιμὴ αὕτη πρόσκειται [Refs 5th c.BC+]; τῷ πρόσκειμαι δούλ; [Refs 5th c.BC+]; of qualities, τὴν ἀβουλίαν ὅσῳ μέγιστον ἀνδρὶ πρόσκειται κακόν [Refs 5th c.BC+]; τὸ ῥῆμα πρόσκειται τῇ προτέρᾳ τέρᾳ αἰτιατικῇ belongs to.., [Refs 2nd c.AD+]; to be laid upon as a charge, business, προξείνους ἀποδεικνύναι τούτοισι προσκεῖσθαι [Refs 5th c.BC+]; of punishments, προσκειμένης ζημίας τῷ πωλοῦντι [Refs 5th c.BC+]
__III.2 to be added or attached to, ἄλγος ἄλγει π. [Refs 5th c.BC+]; ἐχθρὰ δὲ τῷ θανόντι προσκείσει thou wilt be for ever hated by.., [Refs 5th c.BC+]; αἱ γραφαὶ (of νώ) οὐκ ἔχουσι τὸ προσκείμενον [Refs 2nd c.AD+]; τὰ ἀντίγραφα οὐκ ἔχει προσκείμενον τῷ φρενιτικοί τὸ εἰσίν” [Refs 2nd c.AD+]
__III.3 Arith. and Geometry texts, to be added, opposed to ἀφῃρῆσθαι, [Refs 4th c.BC+]; προσκείσθω ποτί.. [Refs 3rd c.BC+]; also κοινὸς -κείσθω λόγος let the ratio be multiplied into both, [Refs 3rd c.AD+]
__III.4 in Logic, to be added as a determinant (see. πρόσθεσις [Refs 4th c.BC+]; τοῖς ὅροις, ἄλλῳ π., [Refs]; so later, to be specified or given in a document, αὐτὸς χρόνος π. [Refs 2nd c.AD+]