Where does “plain dealer” come from?

plain dealer (English) comes from English plain, from Middle English pleyn, from Anglo-Norman pleyn, from Old French playn, from Old French plain, from Latin plēnus, from Proto-Italic plēnos, from Proto-Indo-European pl̥h₁nós — to fill.

plain dealer (English): Someone who interacts or does business...

Definitions

  1. Someone who interacts or does business...

Ancestry of “plain dealer”, step by step

plain dealer traces back through two separate lines of ancestry.

via English plain

StepLanguageWordMeaning
1EnglishplainFlat, level; Simple; Obvious
2Middle Englishpleynclear; unambiguous
3Anglo-NormanpleynAlternative form of plein
4Old Frenchplayn
5Old Frenchplainfull; plain; flat
6Latinplēnusfull; filled; complete
7Proto-Italicplēnosfull
8Proto-Indo-Europeanpl̥h₁nósfull
9Proto-Indo-Europeanpleh₁-to fill

via English dealer

StepLanguageWordMeaning
1EnglishdealerOne who deals in goods, especially automobiles; a...
2Middle EnglishdelareA distributor or splitter; one who parts or gives...
3Old Englishdǣlere
Every word from Proto-Indo-European pleh₁-Every word from Proto-Indo-European pl̥h₁nósEvery word from Proto-Italic plēnos