Lexical Definition

‎ἐπιδύω‎ epidýō (ep-ee-doo'-o) to set ^G:V
from ‎ἐπί‎ and ‎δύνω‎

go down.

• to set fully (as the sun)

Abbott-Smith

ἐπι-δύω [in LXX: De 24:15, Jos 8:29, Je 15:9 (בּוֹא)* ;]
to go down, set (of the sun): Eph 4:26.†

Abbott-Smith References

Liddell-Scott-Jones

ἐπιδύω

(ἐπιδρομ-δύνω [ῡ] [Refs 4th c.AD+], aorist 2 ἐπέδυν, set upon or so as to interrupt an action, [Refs 8th c.BC+]; ὁ ἥλιος μὴ ἐ. ἐπὶ [LXX+1st c.AD+]

_{LSJ Scripture Refs: LXX.Deut.24.15}