一切經音義 85.114

85.114

脊膂（上精亦反考聲背骨也下音呂古文作呂象脊骨也）。

脊膂 (The first character has the fanqie [jing + yi] 精亦. The Kaosheng states: "The backbone." The second character is pronounced like 呂. In ancient script it was written as 呂, picturing the backbone.)