Where does “postbag” come from?

postbag (English) comes from English post, from Middle French poste, from Italian posta, from Latin probāre, from Latin probō, from Latin Probus, from Proto-Indo-European pro-bhwo-, from Proto-Indo-European pro- — passed , crossed.

postbag (English): A bag used for carrying post

Definitions

  1. A bag used for carrying post

Ancestry of “postbag”, step by step

postbag 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
4Latinprobāre
5Latinprobōto approve, permit, commend
6LatinProbusgood, serviceable, excellent, superior, able
7Proto-Indo-Europeanpro-bhwo-being in front, prominent
8Proto-Indo-Europeanpro-toward, forward
9Proto-Indo-Europeanpor-to give birth; forward, through; going, passage
10Proto-Indo-Europeanper-before, in front; first; to go through
11Proto-Indo-Europeanpr̥tóspassed , crossed

via English bag

StepLanguageWordMeaning
1EnglishbagA flexible container made of cloth, paper,...
2Middle EnglishbaggeA fabric container; a bag, sack, pouch, purse, or...
3Old Norsebaggibag, pack, satchel, bundle
4Proto-Indo-Europeanbʰak-
Every word from Proto-Indo-European pr̥tós