mar´ō (מח, mōaḥ, חלב, ḥēlebh, שׁקּוּי, shiḳḳūy, מחה, māḥāh, “to make fat,” “to grease”; μυελός, muelós): Marrow is the nourisher and strengthener of the bones; it is said to moisten the bones: “The marrow (mōaḥ) of his bones is moistened” ([Job 21:24]). The fear of Yahweh “will be health to thy navel, and marrow (shiḳḳūy, margin “refreshing, Hebrew moistening”) to thy bones” ([Pro 3:8]). Thus, the expression is used figuratively of the things which alone can satisfy the soul: “My soul shall be satisfied as with marrow (ḥēlebh, “fat”) and fatness” ([Psa 63:5]); “In this mountain will Yahweh of hosts make unto all peoples a feast of fat things, a feast of wines on the lees, of fat things full of marrow (ממחים, memuḥāyim, particle, plural, Pual of māḥāh), of wines on the lees well refined” ([Isa 25:6]). In the Epistle to the Hebrews the writer speaks of the word of God, which is “living, and active, and sharper than any two-edged sword, and piercing even to the dividing of soul and spirit, of both joints and marrow” ([Heb 4:12]).
