Immerge, v. t. [imp. & p. p. Immerged; p. pr. & vb. n. Immerging.]
Etymology: [L. immergere; pref. im- in + mergere to dip, plunge: cf. F. immerger. See Merge, and cf. Immerse.]
To plungel into, under, or within anything especially a fuid; 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.
1 other Webster entry under this spelling
Immerge, v. i.
To dissapear by entering into any medium, as a star into the light of the sun. [R.]
Shades of meaning
Fernald has no entry of its own for immerge; he lists it under immerse.
He lists it without comment; the entries above explain its neighbors.