Lexical Definition

‎συγκαθίζω‎ synkathízō (soong-kath-id'-zo) to sit down with G:V
from ‎σύν‎ and ‎καθίζω‎

(make) sit (down) together.

Usage: 4 forms in 6 verses
Form Translated As     In Verse(s)
συνεκάθισεν He seated together Eph.2.6
sat down LXX.Gen.15.11 • LXX.Num.22.27
συνεκάθισε Moses sat down LXX.Exod.18.13
συγκαθισάντων when having sat down together Luke.22.55
συγκαθίσαι to sit down LXX.Jer.16.8

Abbott-Smith

περι-καθ-ίζω, [in LXX for חנה, לחם ni., etc.;]
1. to invest, besiege (Diod., IV Ki 6:24, I Mac 11:61, al.).
2. to sit around: Lk 22:55, L, txt.†

Abbott-Smith References

Book Refs
2 Kings 6:24
Luke 22:55

Liddell-Scott-Jones

συγκαθίζω-ίζω,

make to sit together or in a body, τὰ συνέδρια [LXX]:—middle or passive, sit in conclave, meet for deliberation, σ. τὸ δικαστήριον [Refs 5th c.BC+]

__II intransitive in active, sit together, [Refs 4th c.AD+]
__II.2 settle down in a boiling pot, [Refs]
__III sit or settle down, of quadrupeds that lie down by doubling their legs under them, [Refs 4th c.BC+]; σ. ἐπὶ τὰ ὄπισθεν[LXX]; σῶμα συγκεκαθικός a bent, stooping figure, [Refs 4th c.BC+]; of men, crouch down, [Refs 1st c.AD+]; of women, Thessalus in [Refs]; also τὰ νέφη εἰς τὰ κοῖλα σ. [Refs 4th c.BC+]

LSJ Scripture Refs: LXX.Exod.18.13 ☩ LXX.Num.22.27