"You canker blossom!" 3 Shakespearean Insults
late 14c., "ringworm," from Latin tinea "a gnawing worm, moth, bookworm;" from 1650s as a type of moth.
tinea tin·e·a (tĭn'ē-ə)
Any of various fungal skin infections caused chiefly by species of the genera Microsporum, Trichophyton, andEpidermophyton.