1590s, "very sparing in expenditure," from Latin parsimonia "frugality, thrift" (see parsimony) + -ous. Not originally with the suggestion of stinginess, but this had emerged by 18c. Related: Parsimoniously; parsimoniousness.
parsimonious thrift relieved by few generous impulses
parrot-fish
parry
parse
parsec
Parsee
parsimonious
parsimony
parsley
parsnip
parson
parsonage