Reference for Pesachim 169:1

לא הכי קאמר אחד עצם שיש עליו כזית בשר מבחוץ ואחד עצם שאין עליו כזית בשר מבחוץ ויש עליו כזית בשר מבפנים במקום שבירה

No: it means this: Both a bone which has as much as an olive of flesh on the outside and a bone which has not as much as an olive of flesh on it on the outside, but contains as much as an olive of flesh [marrow] inside, [yet still] at the point of breaking. And it was taught [even so]: 'Neither shall ye break a bone thereo [this refers to] both a bone which contains marrow and a bone which does not contain marrow, while to what do I apply,<span class="x" onmousemove="('comment',' Lit., 'and how do I fulfil?'');">¹</span>

Jastrow

Jastrow

Jastrow

Jastrow

Jastrow