Lexical Definition

‎συνεσθίω‎ synesthíō (soon-es-thee'-o) to eat with G:V
from ‎σύν‎ and ‎ἐσθίω‎ (including its alternate)

eat with.

Usage: 8 forms in 9 verses
Form Translated As     In Verse(s)
συνεφάγομεν we ate with Acts.10.41
συνεσθίειν to eat LXX.Gen.43.32 • 1Cor.5.11
συνεσθίει he eats with Luke.15.2
συνήσθιον I ate not LXX.Ps.101.5
συνήσθιεν he was eating Gal.2.12
συνέφαγεσ you ate with Acts.11.3
συνέφαγεν eat LXX.2Sam.12.17
συμφαγείν to eat LXX.Exod.18.12

Abbott-Smith

συν-εσθίω [in LXX: Ge 43:32, Ex 18:12 (אכל), II Ki 12:17 (בּרה), Ps 100 (101):5* * ;]
to eat with one: c. dat. pers., Lk 15:2, Ac 10:41 11:3, I Co 5:11; seq. μετά, c. gen. pers., Ga 2:12.†

Abbott-Smith References

Book Refs
Genesis 43:32
Exodus 18:12
2 Samuel 12:17
Psalms 101:5*
Luke 15:2
Acts 10:41 · 11:3
1 Corinthians 5:11
Galatians 2:12

Liddell-Scott-Jones

συνεσθίω,

aorist συνέφᾰγον, eat together, [NT+5th c.BC+]

LSJ Scripture Refs: Luke.15.2 ☩ LXX.Gen.43.32 ☩ Gal.2.12