washerwoman's hands; wrinkled hands from water
Medical or descriptive term for the wrinkled, pruney skin that develops on hands after prolonged immersion in water. Often used in dermatology or forensic contexts.
Washerwoman's hands were observed after long hours of working in water.
Washerwoman's hands is a phenomenon that occurs when the skin absorbs water.
ふやける is a common verb meaning 'to become soggy/waterlogged', used for skin or other materials, while 漂母皮形成 is a formal, technical noun specifically for the wrinkled-hand condition.
Compound of 漂母 (washerwoman) + 皮 (skin) + 形成 (formation). The exact historical derivation is uncertain; the term is a modern medical coinage.