אַמָּה
properly, a mother (i.e. unit of measure, or the fore-arm (below the elbow)
Definition
The Hebrew word אַמָּה (ʼammâh) primarily denotes a unit of linear measurement, the cubit, roughly equivalent to the length of a forearm from the elbow to the tip of the middle finger (approximately 17.5 to 20.5 inches or 44 to 52 cm). This is its most frequent meaning, used extensively in architectural and construction contexts, such as the dimensions of Noah's ark (Genesis 6:15-16) and the tabernacle's furnishings (Exodus 25:10, 25:23). In a few instances, it refers to architectural supports like doorposts or bases (e.g., 1 Kings 7:31), likely due to their cubit-like, foundational role. The term's etymological connection to 'mother' or 'forearm' underscores its origin as a body-based standard of measure.
Biblical Usage
אַמָּה is used 132 times in the Old Testament, overwhelmingly as a technical term for the cubit measurement. It appears most frequently in books detailing construction and law: Exodus (for the tabernacle), 1 & 2 Kings and Ezekiel (for the temple and visions), and Genesis (for the ark). Its usage is precise, specifying dimensions for sacred objects, buildings, and boundaries. A rare, derived usage is seen in Ezekiel 41:8, where it refers to a foundation or base. The word is consistently used with numbers to convey exact measurements.
Etymology
The noun אַמָּה is a prolonged form of the root אֵם (ʼēm, H517), meaning 'mother.' This derivation likely points to the cubit as a 'mother' or foundational unit of measure. More concretely, it relates to the forearm (אַמָּה), the body part from which this standard measurement originated. Cognates exist in other Semitic languages (e.g., Ugaritic *ʼamt*, Akkadian *ammatu*), all relating to the cubit or forearm, indicating a shared ancient cultural standard.
Semantic Range
As the standard biblical unit of measure, אַמָּה is theologically significant in contexts of God's precise instructions and the order of His creation. The detailed cubit specifications for the ark (Genesis 6), tabernacle (Exodus 25-27), and temple (1 Kings 6, Ezekiel 40-43) reveal a God of meticulous design who dwells with His people in ordered, holy spaces. Understanding that a 'cubit' was a real, human-scale measurement (not an abstract number) grounds these divine blueprints in tangible reality, emphasizing God's communication within human frames of reference and the importance of exact obedience in worship.
The cubit was a fundamental, anthropomorphic unit of length in the ancient Near East, varying slightly by region and era (a 'common' cubit vs. a longer 'royal' cubit). Unlike modern standardized units, it was inherently tied to the human body, making it accessible but also variable. Builders and artisans would have used their own forearm or a standardized rod as a reference. This cultural practice highlights the concrete, pre-industrial world of the biblical authors, where measurements were directly relatable to human experience.
מִדָּה (middâh, H4060) — A more general term for 'measure,' 'portion,' or 'size,' whereas אַמָּה is the specific unit. קָנֶה (qāneh, H7070) — Refers to a 'reed' used as a longer measuring rod (typically six cubits), as in Ezekiel 40:3-5. פֶּה (peh, H6310) — Can mean 'mouth' but also, by extension, a 'cubit' in the sense of an edge or opening, used in measurement contexts (Deuteronomy 21:4).
Word Details
How this works
Hebrew definitions are from Brown-Driver-Briggs (1906) and Strong's Exhaustive Concordance (1890), both public domain. BDB was groundbreaking for its era but reflects 19th-century assumptions about Semitic etymology. Modern scholarship (HALOT, DCH) has revised many entries. Use these definitions as a starting point for exploration, not as the final word on a term's meaning in context.
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