Where does “trepidity” come from?

trepidity (English) comes from English trepid, from Latin trepidus, from Latin -idus, from Proto-Italic *-iðos.

trepidity (English): trepidation

Definitions

  1. trepidation

Ancestry of “trepidity”, step by step

trepidity traces back through two separate lines of ancestry.

via English trepid

StepLanguageWordMeaning
1Englishtrepidtimid, timorous, fearful
2Latintrepidusnervous, jumpy, agitated; perilous, alarming
3Latin-idustending to
4Proto-Italic*-iðos—

via English ity

StepLanguageWordMeaning
1Englishity—
2Ingrian-uUsed to form nouns from verbs
Every word from Proto-Italic *-iðos →Every word from Latin -idus →Every word from Latin trepidus →