P / pŏrus
noun greek

pŏrus

gen. pŏri · gender masculine · decl. 2nd
a passage; channel in the body; the air passages
a passage, channel in the body: cordis sui, Ambros. Hexaëm. 3, 9, 39; of the air passages, Isid. 11, 1, 80; cf.: pori meatus, Plin. 20, 21, 84, § 228 (al. permeatus).