upspring

verb

up·​spring ˌəp-ˈspriŋ 

upsprang ˌəp-ˈspraŋ  or upsprung ˌəp-ˈsprəŋ  ; upsprung; upspringing ˌəp-ˈspriŋ-iŋ 

intransitive verb

1

: to spring up

2

: to come into being

Word History

First Known Use

before the 12th century, in the meaning defined at sense 1