Webster's Revised Unabridged Dictionary · 1913

Immerge

Immerge , transitive verb

[Latin immergere; pref. im- in + mergere to dip, plunge: compare French immerger. See Merge, and compare Immerse.]

To plunge into, under, or within anything especially a fluid; to dip; to immerse. See Immerse.
We took... lukewarm water, and in it immerged a quantity of the leaves of senna. — Boyle
Their souls are immerged in matter. — Jer. Taylor

Immerge , intransitive verb

To disappear by entering into any medium, as a star into the light of the sun. [Rare]