Webster's Revised Unabridged Dictionary · 1913

merge

merge (mẽrj) , transitive verb

[Latin mergere, mersum. Compare Emerge, Immerse, Marrow.]

To cause to be swallowed up; to immerse; to sink; to absorb.
To merge all natural... sentiment in inordinate vanity. — Burke
Whig and Tory were merged and swallowed up in the transcendent duties of patriots. — De Quincey

Merge , intransitive verb

To be sunk, swallowed up, or lost.
Native irresolution had merged in stronger motives. — I. Taylor