A primitive root; to veil or cover; figuratively, to be languid -- faint, overlaid, wrap self.
H5968. alaph
[עָלַף] verb cover (Late Hebrew id., cover, faint; Arabic smear, II. cover, sheath; Assyrian elpitu, pining, exhaustion); —
Pu`al Participle feminine covered, encrusted, construct מְעֻלֶּפֶת Song of Solomon 5:14 his belly if ivory encrusted with sapphires. Perfect3plural עֻלְּפוּ בָּנַיִךְ Isaiah 51:20 thy sons are enshrouded, enwrapped, i.e. their senses obscured = have swooned away; so also Ezekiel 31:15, reading 3feminine singular עֻלָּ֑פָה for substantive עֻלְמֶּה (Köii. 1, 118), all the trees have fainted for (עַל) him (so ᵑ9 ᵑ6 ᵐ5 Hi Co and others).
Hithpa`el enwrap oneself, Imperfect3feminine singular וַתִּתְעַלָּ֑ף Genesis 38:14 (J); = swoon away, 3 masculine singular וַיִּתְעַלָּ֑ף Jonah 4:8; 3feminine plural תִּתְעַלַּפְנָה Amos 8:13.