Where does “spanworm” come from?

spanworm (English) comes from English Worm, from Middle English worm, from Old English wyrm, from Old English lēah, from Proto-West Germanic lauh, from Proto-Germanic lauhaz, from Proto-Indo-European lówkos, from Proto-Indo-European lewḱ- — bright; to shine; to see.

spanworm (English): A measuring worm or inchworm

Definitions

  1. A measuring worm or inchworm

Ancestry of “spanworm”, step by step

spanworm traces back through two separate lines of ancestry.

via English Worm

StepLanguageWordMeaning
1EnglishWormA generally tubular invertebrate of the annelid phylum; an earthworm
2Middle EnglishwormA worm or similar small wormlike animal that...
3Old Englishwyrmcreeping insect; maggot, grub, worm; snake,...
4Old Englishlēahmeadow; clearing with a pigsty; woodland,...
5Proto-West Germaniclauhclearing; meadow
6Proto-Germaniclauhazclearing; meadow
7Proto-Indo-Europeanlówkosclearing; open space, clearing; field, meadow
8Proto-Indo-Europeanlewḱ-lynx
9Proto-Indo-Europeanlewk-bright; to shine; to see

via English span

StepLanguageWordMeaning
1EnglishspanThe space from the thumb to the end of the little...
2Middle EnglishspanAlternative form of spanne
3Old Englishspannspan
4Proto-Germanicspann
5Proto-Germanicspinnanąto spin
6Proto-Indo-European(s)pénh₁-ne-
7Proto-Indo-European(s)penh₁-to twist; to weave
Every word from Proto-Indo-European lewk-
spanworm — Etymology, Origin & Word History | Etymology Explorer