See the entire entry for ḥānū, ḥānūṯā n.f. store, shop

TgJ Jer37:16 :יִרמְיָה לְבֵית אֲסִירֵי וֻלגָיו מִן חָנְוָתָא : Jeremiah went into the prison and behind/within(?) the stores

See the entire entry for lḡāw min prep. inward from (a point or periphery)