Where does “posthorse” come from?

posthorse (English) comes from English post, from Middle French poste, from Italian posta, from Italian posto, from Latin positus, from Latin pōnō, from Proto-Italic poznō, from Proto-Italic pozinō.

posthorse (English): A horse ridden by a postrider to carry mail

Definitions

  1. A horse ridden by a postrider to carry mail

Ancestry of “posthorse”, step by step

posthorse traces back through two separate lines of ancestry.

via English post

StepLanguageWordMeaning
1EnglishpostA long dowel or plank protruding from the ground;...
2Middle Frenchposte—
3Italianpostamail, post; post office; stakes
4Italianpostoplace, spot
5Latinpositusplaced; ordained
6Latinpōnōto place; to put; to lay
7Proto-Italicpoznō—
8Proto-Italicpozinō—
9Proto-Italicsinō—

via English HORSE

StepLanguageWordMeaning
1EnglishHORSEA poker variant consisting of five different...
2Middle EnglishhorseAlternative form of hors; Alternative form of...
3Old Englishhorshorse
4Proto-West Germanichrosshorse
5Proto-Germanichrussąhorse
6Proto-Indo-Europeanḱers-to run
Every word from Proto-Italic sinō →Every word from Proto-Italic pozinō →Every word from Proto-Italic poznō →