Japanese

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Kanji in this term
はく > はっ
Grade: S
きん
Grade: 6
kan’on
 薄筋 on Japanese Wikipedia

Etymology

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(thin) +‎ (muscle), calque of New Latin mūsculus gracilis

Noun

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(はっ)(きん) (hakkin

  1. a gracilis muscle
    Hypernym: 大腿筋 (daitaikin)