Where does “pseudostarchy” come from?

pseudostarchy (English) comes from English starchy, from English starch, from Middle English starche, from Middle English sterch, from Middle English stark, from Old English stearc, from Proto-West Germanic stark, from Proto-Germanic starkaz — to be stiff; rigid; rigid, stiff.

pseudostarchy (English): Apparently composed of starch (but actually composed of another complex carbohydrate)

Definitions

  1. Apparently composed of starch (but actually composed of another complex carbohydrate)

Ancestry of “pseudostarchy”, step by step

pseudostarchy traces back through two separate lines of ancestry.

via English starchy

StepLanguageWordMeaning
1EnglishstarchyOf or pertaining to starch; Containing starch;...
2EnglishstarchA widely diffused vegetable substance found...
3Middle Englishstarche
4Middle Englishsterchstiff
5Middle Englishstark
6Old Englishstearcsevere, stern, harsh; stiff, rigid, not bending,...
7Proto-West Germanicstarkstiff, stark
8Proto-Germanicstarkaz
9Proto-Indo-European(s)terg-to be stiff; rigid; rigid, stiff

via English pseudo

StepLanguageWordMeaning
1EnglishpseudoAn intellectually pretentious person; a...
2Englishpseudo-False, not genuine, fake
3Ancient Greekψευδήςlying, false, untrue; deceived, beguiled
4Ancient Greek-ήςadjective suffix
5Proto-Indo-European-ēsPrimarily forms adjectival bahuvrīhi compounds
6Proto-Indo-European-ess
7Proto-Indo-European-osCreates action nouns or result nouns from verbs;...
Every word from Proto-Indo-European (s)terg-