Lexical Definition

‎προσέχω‎ proséchō (pros-ekh'-o) to watch out ^G:V
from ‎πρός‎ and ‎ἔχω‎

(give) attend(-ance, -ance at, -ance to, unto), beware, be given to, give (take) heed (to unto); have regard.

• (figuratively) to hold the mind (3563 implied) towards, i.e. pay attention to, be cautious about, apply oneself to, adhere to

Abbott-Smith

προσ-έχω, [in LXX for קשׁב hi., שׁמר ni., etc.;]
1. to turn to, bring to (freq. ναῦν, expressed or understood, to bring to port, land; Hdt., al.).
2. τ. νοῦν, seq. dat., to turn one's mind to, attend to; in Xen. and later writers with νοῦν omitted (Bl., § 53, 1; 81, 1): Ac 8:6 16:14, He 2:1, II Pe 1:19; in sense of caring or providing for, Ac 20:28; π. ἑαυτῷ, to give heed to oneself (M, Pr., 157; cf. Ge 24:6, Ex 10:28, al.): Lk 17:3 21:34, Ac 5:35; id. seq. ἀπό (M, Pr., 102; Bl., § 34, 11; 40, 3; v.s. βλέπω), Lk 12:1; (without dat.) Mt 7:15 10:17 16:6, 11, 12, Lk 20:46 (cf. Si 6:13, al.); seq. μή, c. inf. (M, Pr., 193; Bl., § 69, 4), Mt 6:1.
3. to attach or devote oneself to: c. dat. pers., Ac 8:10, 11, I Ti 4:1; c. dat. rei, I Ti 1:4 3:8 4:13 6:3 T (-ερχ-, WH, R), Tit 1:14, He 7:13.†

Abbott-Smith References

Liddell-Scott-Jones

προσέχω

[Refs 5th c.AD+] ποέχω (which see)) and προσίσχω: aorist προσέσχον:— hold to, offer, προσέσχε μαζὸν [δράκοντι] [Refs 4th c.BC+]; hold against, [τὴν ἀσπίδα] προσῖσχε πρὸς τὸ δάπεδον [Refs 5th c.BC+]; apply, χλιάσματα [Refs 5th c.BC+]

__2 π. ναῦν bring a ship to port, προσσχόντες τὰς νέας [Refs 5th c.BC+]; τίς σε προσέσχε.. χρεί; brought thee to land here? [Refs 5th c.BC+], put in, touch at a place, προσσχεῖν ἐς Τύρον, ἐς τὴν Σάμον, etc., [Refs 5th c.BC+]: with dative loci, π. τῇ γῇ [Refs 5th c.BC+]: absolutely, land, [Refs 5th c.BC+]: with words added, πλέων δι᾽ Ἑλλησπόντου π. ἐς Κύζικον [Refs 5th c.BC+]; ὡς γῇ προσέξων τὸ σῶμα, of a shipwrecked sailor, [Refs 1st c.AD+]
__3 turn to or towards a thing, π. ὄμμα [Refs 5th c.BC+] turn one's mind, attention to a thing, be intent on it, τοῖς ἀναπαίστοις [Refs 5th c.BC+]; π. τὸν νοῦν τινι give heed to him, pay court to him, [Refs]; ἑαυτῷ π. τὸν νοῦν to be thinking with himself, in a fit of abstraction, [Refs 5th c.BC+]; π. τὸν νοῦν μὴ.. take heed lest.., [Refs 5th c.BC+]; προσεχέτω τὸν νοῦν let him take heed, as a warning, [Refs 5th c.BC+]; also τὴν γνώμην π. [Refs 5th c.BC+]; but περὶ τούτου τῇ διανοίᾳ π. [Refs 2nd c.BC+]; π. τῇ διανοίᾳ εἰς τὸ ῥῆμα Κυρίου [LXX]
__4 without τὸν νοῦν, μὴ πρόσισχε.. βουκόλοις [Refs 5th c.BC+]; σαυτῷ π. [Refs 5th c.BC+]; π. ἑαυτοῖς ἀπό τινος to be on one's guard against, [NT]; πρόσεχ᾽ οἷς φράζω attend to what I shall tell you, [Refs 4th c.BC+]; τοῖς χιλιάρχοις take orders from them, [LXX+3rd c.BC+]; προσέχων ἀκουσάτω attentively, [προσέχων τε ταῦτα 5th c.BC: Critias Philosophus, Tragicus, Elegiacus 25.19 4th c.BC: Demosthenes Orator; οὐ προσέχει τὰ πράγματα 4th-3rd c.BC: Philemo Comicus 73.4; π. νόμον θεοῦ LXX.Isa.1.11, cf. LXX.Exod.34.11: also π. ἀπὸ τῶν ἁγίων, τῶν γραμματέων,LXX.Lev.22.2, NT.Luke.20.46; π. τοῦ μὴ φαγεῖν αἷμα LXX.Deut.12.23 ">NT+5th c.BC+]; π. ἵνα μὴ μαστιγωθῇς[LXX]
__4.b devote oneself to a thing, with dative, γυμνασίοισι [Refs 5th c.BC+]; τοῖς κοινοῖς, γεωργίᾳ καὶ εἰρήνῃ, [Refs 5th c.BC+]
__5 continue, ἡ νοῦσος, ἡ ὀδύνη π., [Refs 5th c.BC+]
__6 middle, attach oneself to a thing, cling, cleave to it, ὅ τι πρόσσχοιτο τοῦ πηλοῦ τῷ κοντῷ [Refs 5th c.BC+]
__6.b metaphorically, devote oneself to the service of any one, especially a god, [Refs 5th c.BC+]
__7 passive, to be held fast by a thing, ὑπό τινος [Refs 5th c.BC+]; to be attached to it, πρὸς τῷ στήθει [Refs 5th c.BC+]; πρὸς τῷ δένδρῳ προσέχεσθαι, of gum, stick to, [Refs 4th c.BC+]: metaphorically, to be implicated in, τῷ ἄγει [Refs 5th c.BC+]
__II have besides or in addition, δεῖ καὶ τοῦτο προσέχειν τὸ μάθημα [Refs 5th c.BC+]

_{LSJ Scripture Refs: LXX.Exod.9.21 ☩ Luke.12.1 ☩ LXX.Gen.4.5 ☩ LXX.Isa.1.11 ☩ LXX.Exod.34.11 ☩ LXX.Lev.22.2 ☩ Luke.20.46 ☩ LXX.Deut.12.23 ☩ LXX.2Chr.25.16}