Etymograph

English

rainworm

Rainworm comes from Old English reġnwyrm ‘earthworm’, and goes back to Proto-West Germanic *regnawurmi.

  1. Proto-West Germanicc. 200–500 CE*regnawurmi‘earthworm’reconstructed
  2. Old Englishc. 450–1150reġnwyrm‘earthworm’
  3. Englishtodayrainworm

attested reconstructed ? uncertain or disputed deepest recorded ancestor

Lineage

  1. Proto-West Germanicc. 200–500 CE*regnawurmi‘earthworm’reconstructed
  2. Old Englishc. 450–1150reġnwyrm‘earthworm’
  3. Englishtodayrainworm

A compound of rain + worm

Proto-Germanic *regną ‘rain’

Proto-West Germanic *regn ‘rain’

Old English reġn ‘rain’

Middle English reyn

English rain

Proto-Indo-European *wr̥mis

Proto-Germanic *wurmiz

Proto-West Germanic *wurmi

Old English weorm

Middle English werm

English worm

The story

Analysable as rain + worm, because the worm has the habit of surfacing on top of the saturated soil after rainfall.

Today it means

noun An earthworm.

Language periods are conventional ranges, not dates for this word.

Etymograph / Proto-West Germanic *regnawurmi / rainworm