Where does “mailbag” come from?

mailbag (English) comes from English mail, from Middle English mal, from Old English māl, from Old Norse mál, from Proto-Germanic mēlą, from Proto-Indo-European melh₂-, from Proto-Indo-European mel-, from Proto-Indo-European mey- — to strengthen; to bind; to change, exchange.

mailbag (English): A strong canvas bag used for the transportation...

Definitions

  1. A strong canvas bag used for the transportation...

Ancestry of “mailbag”, step by step

mailbag traces back through two separate lines of ancestry.

via English mail

StepLanguageWordMeaning
1EnglishmailA bag or wallet; A bag containing letters to be...
2Middle Englishmal
3Old Englishmālspeech, contract, agreement; suit, case, action,...
4Old Norsemállanguage; speech; matter, affair
5Proto-Germanicmēląmeasure, measurement; time, occasion; point in...
6Proto-Indo-Europeanmelh₂-to grind, to crush
7Proto-Indo-Europeanmel-soft; tender; weak; to deceive; to rub
8Proto-Indo-Europeanmey-to strengthen; to bind; to change, exchange

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 mey-Every word from Proto-Indo-European mel-Every word from Proto-Indo-European melh₂-