Where does “moss bug” come from?

moss bug (English) comes from English moss, from Middle English mos, from Old English mos, from Proto-Germanic *mōs, from Proto-Germanic mōsą, from Proto-Indo-European meh₂d- — to be wet, to become wet; to meet, approach,...

moss bug (English): Any bug of the suborder Coleorrhyncha, which feed on moss

Definitions

  1. Any bug of the suborder Coleorrhyncha, which feed on moss

Ancestry of “moss bug”, step by step

moss bug traces back through two separate lines of ancestry.

via English moss

StepLanguageWordMeaning
1EnglishmossAny of various small, green, seedless plants...
2Middle Englishmosmush, pulp, porridge
3Old Englishmosmoss; food, nourishment, victuals
4Proto-Germanic*mōs
5Proto-Germanicmōsąwet food, mush, porridge; food, victuals
6Proto-Indo-Europeanmeh₂d-to be wet, to become wet; to meet, approach,...

via English Bug

StepLanguageWordMeaning
1EnglishBugA Volkswagen Beetle car; A Bugatti car
2Englishbuggebeetle
3Middle Englishbuggebogy, hobgoblin, bugbear; scarecrow
4Proto-Germanicbugja-swollen up, thick
5Proto-Indo-Europeanbʰew-to grow, swell; to swell, wax, grow; to blow; to...
Every word from Proto-Indo-European meh₂d-Every word from Proto-Germanic mōsąEvery word from Proto-Germanic *mōs