- incoming (n.)
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- late 14c., "action of coming in," from in (adv.) + verbal noun from come (v.). As a present participle adjective, from 1753. Of game, from 1892; transferred in World War I to artillery; as a warning cry of incoming shellfire, it seems to date to the U.S. war in Vietnam (1968).
- incoming (adj.)
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- 1753, "coming in as an occupant," present-participle adjective from in (adv.) + come (v.). Of game, from 1892; transferred in World War I to artillery; as a warning cry of incoming shellfire, it seems to date to the U.S. war in Vietnam (1968).