Where does “palpitation” come from?

palpitation (Middle French) comes from Latin palpitatio, from Latin palpitō, from Latin palpō, from Latin -ō, from Proto-Indo-European -ō — Derives nouns from roots.

Ancestry of “palpitation”, step by step

StepLanguageWordMeaning
1LatinpalpitatioA frequent and rapid motion, trembling,...
2Latinpalpitōto move frequently and quickly, tremble, throb, pulsate, palpitate
3Latinpalpōto touch softly, stroke, pat
4Latin-ōsuffixed to nouns or adjectives. Originally a-stem nouns. Later extended to nouns with other stems. Forms regular first-conjugation verbs
5Proto-Indo-European-ōDerives nouns from roots

Words derived from “palpitation”

Every word from Proto-Indo-European -ō →Every word from Latin -ō →Every word from Latin palpō →