BT Ned 55b(13) :מירב׳ רבו מארע׳ מינק מאויר׳ ינקי ולא מארע׳‏ : they do indeed grow out of the ground, but they actually draw their nourishment from the air and not from the ground
See the entire entry for ˀwwyr n.m. air, sky

BT Ned 55b(13) :מירב׳ רבו מארע׳ מינק מאויר׳ ינקי ולא מארע׳‏ : (mushrooms) do indeed grow out of the ground, (but) they actually draw their nourishment from the air and not from the ground
See the entire entry for ˀăraˁ, ˀarˁā n.f. ground; land; Earth