Lexical Definition

‎יְעָף‎ yᵉʻâph (yeh-awf') weariness ^H:N-M
from ‎יָעַף‎

swiftly.e

• fatigue (adverb, utterly exhausted)

1) weariness, fatigue, faintness

See Greek: τάχος

Brown-Driver-Briggs

‎יְעָף‎ noun [masculine] weariness, faintness (Aramaism, according to Lag^{BN 175}); — ‎מֻעָף בִּיעָף‎ weary with weariness, utterly weary Dan 9:21 (from winged flight, said of Gabriel).

Brown-Driver-Briggs References