Lexical Definition

‎συγκάμπτω‎ synkámptō (soong-kamp'-to) to bend G:V
from ‎σύν‎ and ‎κάμπτω‎

bow down.

Usage: 2 forms in 3 verses
Form Translated As     In Verse(s)
σύγκαμψον bent downwards LXX.Ps.69.23
do bend over Rom.11.10
συνέκαμψεν bent downwards LXX.2Kgs.4.35

Abbott-Smith

συν-κάμπτω (Rec. συγκ-), [in LXX: Ps 68:10*, 23*(מעדhi.), etc. ;]
to bend completely, bend together: τ. νῶτον, fig., Ro 11:10 (LXX).†

Abbott-Smith References

Book Refs
Psalms 68:10* · 68:23*
Romans 11:10

Liddell-Scott-Jones

συγκάμπτω-κάμπτω,

bend, τὸ σκέλος [συγκάμπτωκάμψας τὰν χῆρα καθ᾽ ἕνα ἐκτείνειν τῶν δακτύλων “IG” 42(1).121.28 (Epid., 4th c.BC) ">Refs 5th c.BC+]; of legs, arms, spine, etc., [LXX]: intransitive, bend down,[LXX]passive, opposed to ἐκτείνεσθαι, [συγκάμπτωκεκαμμένῳ τῷ σκέλει, of a person mounting a horse, [prev. work] 7.2 ">Refs 5th c.BC+]; συγκάμπτωκεκαμμένος τοῖς δακτύλοις with the fingers doubled up. [Refs 3rd c.AD+]; especially of the action of sitting down, συγκάμπτωκαμφθεὶς κάθημαι [Refs 5th c.BC+]; of the foetus in the womb, [Refs 2nd c.AD+]; of the chest in phthisis, [Refs 5th c.BC+]; of animals lying down with their knees bent under them, σ. βοῦς [Refs 4th c.BC+]:—in passive also, bend together with, ἐπιφανείας -εσθαι τοῖς σώμασιν [Refs 1st c.AD+]

LSJ Scripture Refs: LXX.Ps.68.24*