Where does “potty stool” come from?

potty stool (English) comes from English potty, from English pot, from Middle English pot, from Old French pot, from Vulgar Latin pottum, from Frankish *pott, from Proto-Germanic puttaz, from Proto-Indo-European budn- — a kind of vessel; type of vessel; a type of...

potty stool (English): A stepstool with a circular indent on its side, so that it can be placed in front of the toilet, in order for a toddler or young child to be able to reach it, especially during potty-training

Definitions

  1. A stepstool with a circular indent on its side, so that it can be placed in front of the toilet, in order for a toddler or young child to be able to reach it, especially during potty-training

Ancestry of “potty stool”, step by step

potty stool traces back through two separate lines of ancestry.

via English potty

StepLanguageWordMeaning
1EnglishpottyA chamber pot, "particularly" the pot used when...
2EnglishpotA flat-bottomed vessel used for cooking food;...
3Middle EnglishpotA pot; a circular receptacle or vessel; The top...
4Old Frenchpotpot; third-person singular present indicative of...
5Vulgar Latinpottum
6Frankish*pott
7Proto-Germanicputtazpot, jar, tub
8Proto-Indo-Europeanbudn-a kind of vessel; type of vessel; a type of...

via English stool

StepLanguageWordMeaning
1EnglishstoolA seat, especially for one person and without...
2Middle Englishstool
3Old Englishstōlchair, seat, throne
4Proto-West Germanic*stōlstool, chair
5Proto-Germanicstōlazstool; throne; chair
6Proto-Indo-Europeanstoh₂losframe, rack, stand
7Proto-Indo-Europeansteh₂-to stand
Every word from Proto-Indo-European budn-