The word 'zeppelin' is an eponym, derived directly from the surname of Count Ferdinand von Zeppelin (1838–1917), the German general and pioneering airship designer. His name is of Germanic origin, likely related to the German word 'Zepfel' or 'Zipfel', meaning a small point or tip, possibly referring to a geographical feature. The term entered the English lexicon in the early 20th century as the rigid airships he invented gained worldwide fame, transitioning from a proper noun (the Zeppelin airships) to a generic common noun for any similar rigid dirigible.

The word is a proper noun adopted as a common noun. It does not contain separable, meaningful morphemes in English.