"basis of a later development" (plural anlagen), 1892, from German anlage "foundation, basis," from anlagen (v.) "to establish," from an "on" (see on (prep.)) + legen "to lay" (from PIE root *legh- "to lie down, lay").
ankh
ankle
anklet
ankylosaurus
ankylosis
anlage
Ann
Anna
annal
annalist
annalize