What is "errhine"

Errhine \Er"rhine\, n. [Gr. ?; ? in + ?, ?, nose: cf. F. errhin.] (Med.) A medicine designed to be snuffed up the nose, to promote discharges of mucus; a sternutatory.
--Coxe. -- a. Causing or increasing secretion of nasal mucus.

a. (context medicine rare English) Causing an increase in mucus within the nose, and hence causing one to sneeze. n. (context medicine uncommon English) A medicine applied inside the nose to increase the production of mucus, and hence sneezing.

adj. causing nasal discharge