Where does “pyodermal” come from?

pyodermal (English) comes from English pyoderma, from English derma, from Yiddish דערמע, from Yiddish דאַרם, from Middle High German darm, from Old High German darm, from Proto-West Germanic þarm, from Proto-Germanic þarmaz — to rub, turn; to drill, pierce.

Ancestry of “pyodermal”, step by step

pyodermal traces back through two separate lines of ancestry.

via English pyoderma

StepLanguageWordMeaning
1Englishpyodermaan infection of the skin by pyogenic bacteria
2Englishdermathe inner layer of the skin; the dermis; a Jewish...
3Yiddishדערמע—
4Yiddishדאַרםintestine
5Middle High Germandarm—
6Old High Germandarm—
7Proto-West Germanicþarmintestine
8Proto-Germanicþarmazintestine
9Proto-Indo-Europeantórmosborehole
10Proto-Indo-Europeanterh₁-to rub, turn; to drill, pierce

via English AL

StepLanguageWordMeaning
1EnglishALInitialism of assembly language; Initialism of...
2Dutchalall, all of; already; yet
3Middle Dutchalall, all of; completely; even though, no matter...
4Old Dutchāl—
5Proto-West Germanicallall
6Proto-Germanicallazall
7Proto-Indo-Europeanh₂él-to grow, nourish
Every word from Proto-Indo-European terh₁- →Every word from Proto-Indo-European tórmos →Every word from Proto-Germanic þarmaz →