Where does “plumpitude” come from?

plumpitude (English) comes from English -itude, from Middle French -itude, from Latin -tūdō — itude, -ness.

Ancestry of “plumpitude”, step by step

StepLanguageWordMeaning
1English-itudestate of
2Middle French-itude—
3Latin-tūdōitude, -ness
Every word from Latin -tūdō →Every word from English -itude →Every word from Middle French -itude →