Word Origin & History
O.E. risan (usually arisan; class I strong verb; past tense ras, pp. risen), from P.Gmc. *us-risanan "to go up" (cf. O.N. risa, Goth. urreisan "to rise," O.H.G. risan "to rise, flow," Ger. reisen "to travel," originally "to rise for a journey"). Related to raise (q.v.). The noun meaning "upward movement"
is from 1573; the meaning "a piece of rising ground" is from 1639. Phrase to get a rise out of (someone) (1834) is a metaphor from angling (1651). Riser "upright part of a step" is from 1771.