A primitive root; to gnaw, i.e. (figuratively) eat (by hyberbole); also (participle) a pain -- fleeing, sinew.
Englishman's Concordance
1) (Qal) to gnaw, chew Part of Speech: verb A Related Word by BDB/Strong’s Number: a primitive root Same Word by TWOT Number: 1703
Brown-Driver-Briggs
[עָרַק] verbgnaw (Arabic id.; Syriac Pa`el); **Syriac in Lexicons, and Pa`el; but Syriac usually flee, as ᵑ7. —
QalParticiple plural הַעֹרְקִים צִיָּהJob 30:3they who gnaw the dry (ground; figurative of scanty subsistence); suffix עֹרְקַיJob 30:17my gnawing (pains) do not sleep.
Job 30:3 HEB:וּבְכָפָ֗ן גַּ֫לְמ֥וּד הַֽעֹרְקִ֥ים צִיָּ֑ה אֶ֝֗מֶשׁ NAS: they are gaunt Who gnaw the dry KJV: [they were] solitary; fleeing into the wilderness INT: and famine are gaunt gnaw the dry night
Job 30:17 HEB:נִקַּ֣ר מֵעָלָ֑י וְ֝עֹרְקַ֗י לֹ֣א יִשְׁכָּבֽוּן׃ NAS: within me, And my gnawing [pains] take KJV: in me in the night season: and my sinews take no rest. INT: pierces and and my gnawing no take