'zit' originates from American English slang, possibly derived from the German word 'Zitze,' meaning 'teat' or 'nipple,' due to the similar appearance.

'Zitze' transformed into the American English slang 'zit' in the mid-20th century, eventually becoming a common term for a pimple.

Initially, it referred to a 'teat' or 'nipple,' but over time it evolved into its current meaning of 'pimple.'