Wiktionary
n. That which upswells. vb. (present participle of upswell English)
Usage examples of "upswelling".
Ken spoke I felt an upswelling of emotion and could see the same shining from the eyes of the other players.
In the decade prior to the Third World War, Fox, like many other rural towns, had experienced an upswelling in population as thousands of city dwellers left the nightmare of urban living for a peaceful rural setting.
Burdon, feeling safe enough to turn for a look back, beheld a churning, upswelling mass of light and shadow, tones reversed as in a photographic negative, rapidly, silently, filling in the depths from which they had just climbed.
She turned slightly, looking at him, and felt a deep upswelling of affection that in its own way rivaled the so-recent tumult of lustful discovery.
Leslie was not sure whether it was real or whether she had imagined it, but she could feel upswelling force palpable against her hands like a great magnetic field.