Mem מ — water / belly
Mother letter; water / generative depth
Mem is the Mother of water in the letter cosmology. The belly placement follows the later body-reading convention used in Kaplan’s commentary and remains a symbolic projection rather than anatomy.
Point 2 of 22 in Sefer Yetzirah Letter Body
Cross-tradition overlaps
No overlapping points are registered for this point.
Sources
Sefer Yetzirah (primary_canonical)
Chapters 3–5 classify the three Mothers, seven Doubles, and twelve Elementals, with planetary and zodiacal correspondences; cited by chapter and section in Kaplan’s standard English edition.
Aryeh Kaplan, Sefer Yetzirah: The Book of Creation in Theory and Practice (secondary_translation)
Commentary and tables explain the letter groups, planets, zodiac signs, and later body analogies; see commentary to chapters 3–5.