Visuddhimagga VI-10

Aṭṭhiyeva aṭṭhikaṃ.

（10）骨即「骨相」，

Ñ(VI,10): A skeleton: bone (aṭṭhi) is the same as skeleton (aṭṭhika).

Paṭikkūlattā vā kucchitaṃ aṭṭhīti aṭṭhikaṃ.

或以厌恶的骨为「骨相」，

Ñ: Or alternatively, bone (aṭṭhi) is vile (kucchita) because of repulsiveness, thus it is a skeleton (aṭṭhika).

Aṭṭhisaṅkhalikāyapi ekaṭṭhikassapetamadhivacanaṃ.

即与骸骨是同义语。

Ñ: This is a term both for a single bone and for a framework of bones.