Where does “mushroom root rot” come from?

mushroom root rot (English) comes from English root rot, from English rot, from Middle English roten, from Middle English rote, from Old French rote, from Latin rupta, from Latin ruptus, from Latin rumpō — to tear out, dig out, open, acquire.

mushroom root rot (English): A plant disease caused by the fungus Armillaria tabescens

Definitions

  1. A plant disease caused by the fungus Armillaria tabescens

Ancestry of “mushroom root rot”, step by step

mushroom root rot traces back through two separate lines of ancestry.

via English root rot

StepLanguageWordMeaning
1Englishroot rotAny of several plant fungal diseases caused by having overwet roots
2EnglishrotTo suffer decomposition due to biological action,...
3Middle EnglishrotenTo decompose; to make or become rotten or spoiled
4Middle EnglishroteThe root; The foundation or base of a...
5Old Frenchroteroute, path
6Latinruptanominative feminine singular of ruptus;...
7Latinruptusbroken; ruptured, burst
8Latinrumpōto break, burst, tear, rend, rupture; break asunder, force open
9Proto-Indo-EuropeanHrunéptito be breaking
10Proto-Indo-EuropeanHrewp-to break, tear
11Proto-Indo-EuropeanHrew-to tear out, dig out, open, acquire

via English mushroom

StepLanguageWordMeaning
1EnglishmushroomAny of the fleshy fruiting bodies of fungi...
2Middle Englishmuscheronmushroom
3Anglo-Normanmusherum
4Old Frenchmoisseron
5Old Frenchmossemoss
6Frankishmosamoss
7Proto-Germanicmusąmoss, bog
8Proto-Indo-Europeanmūs-fly, stinging fly, gnat; moist, damp; swamp,...
Every word from Proto-Indo-European Hrew-
mushroom root rot — Etymology, Origin & Word History | Etymology Explorer