Several
late Middle English: from Anglo-Norman French, from medieval Latin separalis, from Latin separ ‘separate, different’.
wiktionary
From Anglo-Norman several, from Medieval Latin sēparālis, from Latin sēpar(“separate”).
etymonline
several (adj.)
early 15c., "existing apart," from Anglo-French several, from Old French seperalis "separate," from Medieval Latin separalis, from Latin separ "separate, different," back-formation from separare "to pull apart," from se- "apart" (see secret (n.)) + parare "make ready, prepare" (from PIE root *pere- (1) "to produce, procure"). Meaning "various, diverse, different" is attested from c. 1500; that of "more than one" is from 1530s, originally in legal use. Related: Severalty. Jocular ordinal form severalth attested from 1902 in American English dialect (see -th (2)).
Here we are all, by day; by night we're hurled
By dreams, each one into a several world
[Herrick, 1648]
