### Core Meaning & Semantic Range
The Hebrew word **môach**, represented by `{{H4221}}`, refers to **marrow**. Derived from a root word associated with fatness, its definition is "fat, i.e. marrow." This highly specific term appears only **1 time** in the entire Bible, within a single unique verse, making its context particularly significant.
### Biblical Occurrences & Contextual Analysis
The sole biblical appearance of `{{H4221}}` is in the book of Job, where it is used to describe a state of extreme physical prosperity and health. The verse paints a vivid picture: "His breasts are full of milk, and his bones are moistened with **marrow**" [[Job 21:24]]. Here, **marrow** serves as the ultimate indicator of vitality, suggesting a life so full of abundance that even the innermost parts of the body are rich and well-nourished.
### Related Words & Concepts
The context of `{{H4221}}` in [[Job 21:24]] is enriched by several surrounding words that amplify the theme of fullness and life:
* `{{H6106}}` **ʻetsem** (bone): As the structure that contains the **marrow**, the **bone** is central to this imagery. Elsewhere, it can represent the very essence of a person or be a place where deep feelings are experienced, such as the word of the LORD being a fire in the **bones** [[Jeremiah 20:9]].
* `{{H4390}}` **mâlêʼ** (full): This word for **full** or to fill is fundamental to the verse. It is used in scripture to describe God's command to **replenish** the earth [[Genesis 1:28]] and the promise that the earth will be **filled** with the knowledge of God [[Habakkuk 2:14]].
* `{{H8248}}` **shâqâh** (moistened/drink): This root word, translated as **moistened**, means to provide drink or irrigate. It is used when God provides water from the rock [[Numbers 20:8]] and promises to make his people **drink** from the river of his pleasures [[Psalms 36:8]].
* `{{H2461}}` **châlâb** (milk): A symbol of richness and nourishment, **milk** is frequently associated with the abundance of the promised land, a land "flowing with **milk** and honey" [[Exodus 3:8]].
### Theological Significance
While appearing only once, the theological weight of `{{H4221}}` is tied to its powerful imagery of inner prosperity.
* **Symbol of Abundant Life:** In its biblical context, **marrow** is not merely a biological substance but a metaphor for a life overflowing with health and blessings. The moistening of the bones with **marrow** represents the deepest level of physical well-being.
* **Inner Vitality:** Placed deep within the bones `{{H6106}}`, **marrow** signifies a foundational, unseen strength and richness. This contrasts with superficial appearances, suggesting a vitality that permeates a person's very core.
* **Picture of Fullness:** The term functions as the capstone in a series of images in [[Job 21:24]]—fullness `{{H4390}}`, milk `{{H2461}}`, and moisture `{{H8248}}`—to create an undeniable portrait of complete physical satisfaction and vigor.
### Summary
In summary, **môach** `{{H4221}}` is a rare but potent biblical word for **marrow**. Its single occurrence establishes it as a powerful symbol of foundational health, inner vitality, and profound abundance. Though a simple term, its placement in [[Job 21:24]], surrounded by words denoting fullness and life, elevates it from a mere anatomical detail to a vivid illustration of ultimate physical prosperity.
TRV