Lexical Definition

‎παρατείνω‎ parateínō (par-at-i'-no) to prolong ^G:V
from ‎παρά‎ and teino (to stretch)

continue.

• to extend along, i.e. prolong (in point of time)

Abbott-Smith

παρα-τείνω, [in LXX: Nu 23:28 (שׁקף ni.), etc.;]
to extend, prolong: τ. λόγον, Ac 20:7.†

Abbott-Smith References

Liddell-Scott-Jones

παρατείνω,

future -τενῶ[Refs 5th c.AD+]: perfect -τέτᾰκα[Refs 1st c.AD+]:—stretch out along, beside, or near, χεῖρες παρατεταμέναι [Refs 5th c.BC+]; extend, deploy, τὴν φάλαγγα [Refs 5th c.BC+]: —passive, extend along (see. below [Refs]; to be stretched at length, laid low, [Refs 5th c.BC+]

__2. stretch on the rack, torture, [Refs 5th c.BC+]:—passive, to be tortured, λιμῷ [Refs 5th c.BC+]; to be worn out, with participle, παρετάθη μακρὰν σδὸν πορευθείς [Refs 5th c.BC+]; παρατέταμαι λιπαρὰ κάπτων I am nigh dead with eating dainties, [Refs 5th c.BC+]; but πολιορκίᾳ παρατενεῖσθαι ἐς τοὔσχατον will strain themselves to the uttermost, hold out to the last, [Refs 5th c.BC+]
__3. prolong, protract, τοὺς λόγους [Refs 4th c.BC+]; μῦθον[Refs 2nd c.AD+]:—passive, [Refs 2nd c.AD+]
__3.b. delay, τὴν ἀπόδοσιν [Refs 2nd c.AD+]
__4. apply a figure to a straight line, [Refs 5th c.BC+]
__5. κοιλίαν π. relax the bowels, Philistio cited in [Refs 2nd c.AD+]
__6. lengthen in pronunciation, ὄνομα [Refs 2nd c.AD+]; prolong a sound, of echo, [Refs]
__II. intransitive, stretch or lie beside or along, of a wall, a line of country, etc., [Refs 5th c.BC+]:—passive, παρατέταται ὄρος [Refs 5th c.BC+]
__II.2. extend, ἀπὸ τοῦ ἐντέρου κάτω π. [Refs 4th c.BC+]; extend over, πάντας χρόνους καὶ τόπους [Refs 1st c.AD+]
__II.3. of Time, extend, ἐνιαυτοῦ μῆκος π. [Refs 1st c.BC+]; continue one's life, live, ἕως.., μέχρι.., [Refs 1st c.AD+]
__II.4. as aux. Verb, with participle, ποῖ παρατενεῖς δεδιὼς ταῦτ; how long will you go on fearing this ? [Refs 2nd c.AD+]