'Earth' in the Bible

for the government of the world when the times are ripe for it--the purpose which He has cherished in His own mind of restoring the whole creation to find its one Head in Christ; yes, things in Heaven and things on earth, to find their one Head in Him.

from whom the whole family in Heaven and on earth derives its name,

(Now this "re-ascended" --what does it mean but that He had first descended into the lower regions of the earth?

"so that it may be well with you, and that you may live long on the earth."