Meaning of SOIL in English
1》 the upper layer of earth in which plants grow, a black or dark brown material typically consisting of organic remains, clay, and rock particles.
2》 the territory of a particular nation.
ME: from Anglo-Norman Fr., perh. representing L. solium 'seat', by assoc. with solum 'ground'.
1》 make dirty.
↘make dirty by defecating in or on.
2》 bring discredit to.
1》 waste matter, especially sewage.
2》 archaic a stain.
ME (as v.): from OFr. ~ler , based on L. sucula , dimin. of sus 'pig'.
■ verb rare feed (cattle) on fresh-cut green fodder (originally for purging them).
C17: perh. from ~ 2 .
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004