SHE decapitated the cow until its head fell down and hit the earth.
|( に ) いた＊る
to get to, to arrive. To extend to. Until the very top/bottom/end. (至るところ= everywhere, wall-to-wall) (xxx至るまで= all the way to xxx, even to the extent of xxx)
|ム IS UNDER 土
|ム IS ABOVE 土
In the past, moocows lived UNDER the earth,
until they finally migrated ABOVEground.
The tunnels were filled up with the LEGS of the migrating cows.
dominate, have supremacy over
至上 覇権 制覇 独占的