nude painting; painting of a nude woman
Refers specifically to a painting or artwork depicting a nude female figure. The term is neutral and descriptive, used in art contexts.
美術館で有名な裸婦画を見た。
I saw a famous nude painting at the art museum.
Compound of 裸婦 (nude woman) + 画 (painting). The exact historical derivation is uncertain, but the word is transparently formed from these elements.