The Collaborative International Dictionary
Parvity
Parvitude \Par"vi*tude\, Parvity \Par"vi*ty\, n. [L. parvitas,
fr. parvus little: cf. OF. parvit['e].]
Littleness. [Obs.]
--Glanvill. Ray.
Wiktionary
parvity
n. (context obsolete English) smallness