Where does “shoestring root rot” come from?

shoestring 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.

Ancestry of “shoestring root rot”, step by step

shoestring 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 shoestring

StepLanguageWordMeaning
1EnglishshoestringThe string or lace used to secure the shoe to the...
2EnglishshoeA protective covering for the foot, with a bottom...
3GermanSchuhshoe
4Middle High Germanschuo
5Old High Germanscuohshoe
6Proto-West Germanicskōhshoe
7Proto-Germanicskōhazshoe
8Proto-Indo-Europeanskewk-
9Proto-Indo-European(s)kew-to caw, to howl; to cover, hide; to cover, hide,...
Every word from Proto-Indo-European Hrew-