A fun look at the meaning of "einlegen" and "reinlegen" what mixed pickles have to do with shoe inlays and falling for a prank.
The core idea of this root was:
laying, lying down
of course the verbs to lay and to lie belong here, but the root is also the origin of law, lair, ledger, allay and low. And of lager, which is essentially a German word that means storage.