Where does “doorpost” come from?

Doorpost comes from English post, derived from Latin postis meaning upright timber or doorpost.

doorpost (English): doorjamb

Definitions

  1. doorjamb

Ancestry of “doorpost”, step by step

doorpost 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 door

StepLanguageWordMeaning
1EnglishdoorA portal of entry into a building, room, or...
2Middle EnglishdoreA door or gate structure barring an entrance
3Old Englishdorabumblebee
4Proto-Germanicdurôbumblebee, humming insect
5Proto-Indo-Europeandʰer-to support; to hold
Every word from Proto-Italic sinō →Every word from Proto-Italic pozinō →Every word from Proto-Italic poznō →