Lewis Short
păpŭla (noun F) : dim.root pamp-, pap, to swell; in Gr. πομφός; cf. 2. populus
* A pustule, pimple, Cels. 5, 28, 18: ardentes,Verg. G. 3, 564: eruptiones papularum,Plin. 20, 7, 26, § 67: rubentes papulas sanare,id. 26, 11, 73, § 120; Vulg. Lev. 14, 56.—Prov.: papulas observatis alienas obsiti plurimis ulceribus,i. e. you see the mote in your brother's eye, but not the beam in your own,Sen. Vit. Beat. 27.
Charlton T. Lewis, Charles Short, A Latin Dictionary