Coryza

 
Coryza is a cold in the head; the common cold; rhinitis. The word "coryza" comes from the Greek "koryza" which is thought to have been compounded from "kara", head + "zeein", to boil. The "boiling over from the head" refers to the runny nose, an all-too-familiar feature of a head cold.

(I shall spare you the delights of an illustration!)