What is the meaning of Nether?

Lower; under.

Lying beneath, or conceived as lying beneath, the Earth’s surface.

Down; downward.

Low; low down.

To bring or thrust down; bring or make low; lower; abase; humble.

To constrict; straiten; confine; restrict; suppress; lay low; keep under; press in upon; vex; harass; oppress.

To pinch or stunt with cold or hunger; check in growth; shrivel; straiten.

To shrink or huddle, as with cold; be shivery; tremble.

To depreciate; disparage; undervalue.

Oppression; stress; a withering or stunting influence.

A trouble; a fault or dislocation in a seam of coal.

lower

Source: wiktionary.org