A primitive root; to tire (as if from wearisome flight) -- faint, cause to fly, (be) weary (self).
H3286. yaeph
I. [יָעֵף] verb be weary, faint (Arabic run and shew weariness) —
Qal Perfect וְיָעֵ֑פוּ consecutive Jeremiah 51:58, 64; Imperfect יִיעַף Isaiah 40:28; וַיִּעָ֑ף 44:12; יִָֽעֲפוּ 40:30; יִיעָ֑פוּ 40:31; Jeremiah 2:24; יִעָ֑פוּ Habakkuk 2:13; — be or grow weary Jeremiah 2:24 (in seeking); = exhaust onself fruitlessly Habakkuk 2:13 ("" יגע), hence Jeremiah 51:58, 64 (repeated by error from 51:58); of ׳י (negative) Isaiah 40:28 ("" יגע); youth 40:30 ("" id.); the god-fearing 40:31 ("" id.); be faint from lack of water 44:12 ("" כֹּחַ אֵין from hunger).
Hoph`al Participle wearied Daniel 9:21 בִּיעָף מֻעָף (see יְעָף).