A word frequently translated as the grave is the Hebrew שְׁא֣וֹל – sheol, but sheol is far more than just the grave. The grave is a portal into the underworld realm of the dead.
The Grave: שְׁא֣וֹל – sheol
March 13th
In the text of Genesis, "the ground," is a translation of the Hebrew word הָ֣אֲדָמָ֔ה - adamah Adam, from whence Adam gets his name since he was made from the dust of the ground.