Other forms: upsurges
An upsurge is a sudden strong increase. An upsurge in demand, an upsurge of feeling.
It suggests something rising from below rather than being pushed, which is what the surge carries. An upsurge is short by definition, since anything lasting is a trend.
1nounupsurgeA sudden strong increase.
“There was an upsurge in applications the week the fee was dropped.”
upsurge is an increase.
Proto-Indo-European
*h₃reǵ-
Proto-Indo-European
*h₃réǵeti — to straighten; right
Latin
surgō
roa-oca
surgir
Old French
surgir — to rise, ride near the shore, arrive, land
Middle French
sourgir
English
surge
English, today
upsurge
Built from
From up- + surge. surge The verb is from Middle English, possibly from Middle French sourgir, from Old French surgir (“to rise, ride near the shore, arrive, land”), from roa-oca surgir, from Latin surgō, contraction of surrigō, subrigō (“lift up, raise, erect; intransitive rise, arise, get up, spring up, grow, etc.”), from sub (“from below; up”) + regō (“to stretch”), ultimately from Proto-Indo-European h₃réǵeti (“to straighten; right”), from the root h₃reǵ-; see regent. a doublet of source and sourd. The noun is from the verb.
Etymology from Wiktionary, CC BY-SA