Original Word: ἀποψύχω
Part of Speech: Verb
Transliteration: apopsuchó
Phonetic Spelling: (ap-ops-oo'-kho)
Short Definition: I faint, breathe out life, die
Definition: I faint, breathe out life, die, am dismayed.

674 apopsýxō (from 575 /apó, "separate from" and 5594 /psýxō, "breathe," the root of 5590 /psyxḗ, "soul") – properly, "separate from the soul," i.e. become faint because of loss of breath; (figuratively) lose morale (become disheartened) like lapsing into temporary unconsciousness (used only in Lk 21:26).

Word Origin
from apo and psuchó
Definition
to leave off breathing, i.e. faint
NASB Translation
fainting (1).