c. 1300, "stand up; get out of bed; ascend to a higher level," from up (adv.) + rise (v.). Similar formation in West Frisian oprize, Middle Dutch oprisen, Dutch oprijzen.
An interesting phenomenon uprose
The choirs singing uprose and filled the church
It was a sight to make one's hair uprise!
The mist uprose from the meadows
The dead are to uprise
He uprose at night
uppermost
uppish
uppity
upraise
upright
uprise
uprising
up-river
uproar
uproarious
uproot