English word exogalactic comes from English galactic, English exo- (Outside, external.)
Dictionary entry | Language | Definition |
---|---|---|
galactic | English (eng) | (astronomy, specifically) Relating to the Milky Way galaxy.. (figuratively) Enormous (in size or impact).. (medicine) Of or pertaining to milk, or the secretion of milk.. Relating to a galaxy. |
exo- | English (eng) | Outside, external. |
exogalactic | English (eng) | (scifi) (originating from outside the Milky Way galaxy). |