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]

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Definitions of several from WordNet

several (adj.)
distinct and individual;
three several times
several (adj.)
(used with count nouns) of an indefinite number more than 2 or 3 but not many;
several people were injured in the accident
several letters came in the mail
several (adj.)
considered individually;
specialists in their several fields
Synonyms: respective / various