רִ֭פְאוּת תְּהִ֣י לְשָׁרֶּ֑ךָ וְ֝שִׁקּ֗וּי לְעַצְמוֹתֶֽיךָ׃
דאָס װעט זײַן אַ הײלונג פֿאַר דײַן נאָפּל, און אַ זאַפֿט פֿאַר דײַנע בײנער.
Rashi
It shall be healing for your navel Heb. לשרך. The wisdom shall be healing. שרך is like (Song 7:4): שררך, which means, your navel.
Rashi
and marrow for your bones Heb. ושקוי, lit. moisture. That is the marrow, as the matter is stated (Job 21:24): “and the marrow of his bones is moistened.”