earthside
/ˈəːθsʌɪd/noun
1Usually in form earth side. The earthly, as opposed to spiritual, side or aspect of something; the side based on or facing earth.
2 Science Fiction. Without article. A group or department based on the planet earth; the planet earth.
adverb
Chiefly Science Fiction. On or towards the planet earth.
adjective
Chiefly Science Fiction. Of, relating to, or from the planet earth.
Origin
Mid 19th century; earliest use found in Elizabeth Barrett Browning (1806–1861), poet and writer. From earth + side. With use as adverb compare slightly earlier stateside. With use as adjective compare earlier stateside.