A primitive root; properly, to gape, i.e. Snap at; figuratively, to overwhelm -- break, bruise, cover.
Englishman's Concordance
1) to bruise, crush, gape upon, desire?, seize?, strike out? 1a) (Qal) to fall upon, bruise Part of Speech: verb A Related Word by BDB/Strong’s Number: a primitive root Same Word by TWOT Number: 2349
Brown-Driver-Briggs
[שׁוּף] verbbruise (Late Hebrew id., Aramaic שׁוּף, שְׁפַף, rub off, away, grind (Exodus 32:20 ᵑ7ᵑ9 for טָחַן); see especially DrGn; > Di and others think "" form of I. שׁאף); —
QalImperfect3masculine singular + 2 masculine singular הוּא יְשׁוּפְךָראֹשׁ וְּאַתָּה תְּשׁוּפֶנּוּ עָקֵבGenesis 3:15; אֲשֶׁרבִּֿשְׂעָרָה יְשׁוּפֵנִיJob 9:17; אַךְ השֶׁךְ יְשׁוּפֵנִיPsalm 139:11 meaning unsuitable, read perhaps with Ew and others יְשׂוּבֵּנִיcover, screen, me.
שׁוֺפַךְ see שׁוֺבַךְ. שׁוּפָמִי see שְׁפוּפָם below שׁפף.
I. שׁוּק (√ of following, meaning dubious; Arabic is drive beast etc., carry on affairs; Ethiopic sustain; compare Arabic leg, especially shank, Aramaic שׁוֺקָאleg (rare), leg, thigh; connection dubious with Assyrian su‡u, street, Aramaic שׁוּקָא, , street, market-place (whence Arabic loan-word according to Frä187; but then =שׁ?), Palmyrene שוקid., Lzb373).
Genesis 3:15 HEB:זַרְעָ֑הּ ה֚וּא יְשׁוּפְךָ֣ רֹ֔אשׁ וְאַתָּ֖ה NAS: and her seed; He shall bruise you on the head, KJV: and her seed; it shall bruise thy head, INT: seed He shall bruise the head and you
Genesis 3:15 HEB:רֹ֔אשׁ וְאַתָּ֖ה תְּשׁוּפֶ֥נּוּ עָקֵֽב׃ ס NAS: you on the head, And you shall bruise him on the heel. KJV: thy head, and thou shalt bruise his heel. INT: the head and you shall bruise the heel
Job 9:17 HEB:אֲשֶׁר־ בִּשְׂעָרָ֥ה יְשׁוּפֵ֑נִי וְהִרְבָּ֖ה פְצָעַ֣י NAS:For He bruises me with a tempest KJV:For he breaketh me with a tempest, INT: me A tempest bruises and multiplies my wounds
Psalm 139:11 HEB:אַךְ־ חֹ֣שֶׁךְ יְשׁוּפֵ֑נִי וְ֝לַ֗יְלָה א֣וֹר NAS: the darkness will overwhelm me, And the light KJV: Surely the darkness shall cover me; even the night INT: Surely the darkness will overwhelm will be night and the light