Where does “thumpity” come from?

thumpity (English) comes from English ity, from Ingrian -u — Used to form nouns from verbs.

thumpity (English): Nonce variation of the word thump, usually...

Definitions

  1. Nonce variation of the word thump, usually...

Ancestry of “thumpity”, step by step

thumpity traces back through two separate lines of ancestry.

via English ity

StepLanguageWordMeaning
1Englishity—
2Ingrian-uUsed to form nouns from verbs

via English thump

StepLanguageWordMeaning
1EnglishthumpA blow that produces a muffled sound; The sound...
Every word from Ingrian -u →Every word from English ity →