Strong's Concordance
apopsuchó: to leave off breathing, i.e. faint
Original Word: ἀποψύχωPart 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.
HELPS Word-studies
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).
Thayer's Greek Lexicon
STRONGS NT 674: ἀποψύχωἀποψύχω;
to breathe out life, expire; to faint or swoon away:
Luke 21:26. (So
Thucydides 1, 134;
Bion 1, 9, others; 4 Macc. 15:18.)