Lexical Definition

‎εὐψυχέω‎ eupsychéō (yoo-psoo-kheh'-o) be glad ^G:V
from a compound of ‎εὖ‎ and ‎ψυχή‎

be of good comfort.

• to be in good spirits, i.e. feel encouraged

Abbott-Smith

*† εὐψυχέω, -ῶ (< εὔψυχος, courageous),
to be of good courage: Phl 2:19.†

Abbott-Smith References

Liddell-Scott-Jones

εὐψυχέω-έω,

to be of good courage, [NT+1st c.AD+]

__II εὐψύχει farewell! a common inscription on tombs, [Refs]
__II.2 εὐψυχεῖν, ={χαίρειν}, in a letter of condolence, [Refs 2nd c.AD+]

_{LSJ Scripture Refs: Phil.2.19}