earthworm (English)
Where does "earthworm" come from?
The word "earthworm" is a straightforward compound derived from the Middle English "erthe-worm." Its components reach back deep into antiquity, with "earth" tracing to the Proto-Indo-European *h₁érteh₂ and "worm" descending from the Proto-Indo-European *wr̥mis. This descriptive name has remained highly consistent across many Germanic languages, reflecting a shared linguistic heritage for this common soil-dwelling creature.
Full etymology tree
- earthworm (English), 'A worm that lives in the ground.'
- compound earth (English), 'Alternative letter-case form of Earth; our planet, third out from the Sun.'
- inherited erthe (Middle English), 'Earth; the world'
- inherited eorþe (Old English), 'ground'
- inherited *erþu (Proto-West Germanic), 'earth, world'
- inherited *erþō (Proto-Germanic), 'earth'
- inherited *h₁érteh₂ (Proto-Indo-European)
- inherited *erþō (Proto-Germanic), 'earth'
- inherited *erþu (Proto-West Germanic), 'earth, world'
- inherited eorþe (Old English), 'ground'
- inherited erthe (Middle English), 'Earth; the world'
- compound worm (English), 'A generally tubular invertebrate of the annelid phylum; an earthworm.'
- inherited worm (Middle English), 'A worm or insect resembling one:'
- inherited wyrm (Old English), 'any crawling animal, especially'
- inherited *wurmi (Proto-West Germanic), 'worm'
- inherited *wurmiz (Proto-Germanic), 'worm'
- inherited *wr̥mis (Proto-Indo-European), 'worm'
- inherited *wurmiz (Proto-Germanic), 'worm'
- inherited *wurmi (Proto-West Germanic), 'worm'
- inherited wyrm (Old English), 'any crawling animal, especially'
- inherited worm (Middle English), 'A worm or insect resembling one:'
- compound earth (English), 'Alternative letter-case form of Earth; our planet, third out from the Sun.'
Direct ancestors
Updated July 2026
Etymology data from Wiktionary, CC BY-SA 4.0 · About Miraris