Where does “plainspoken” come from?

plainspoken (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.

plainspoken (English): Speaking plainly or simply

Definitions

  1. Speaking plainly or simply

Ancestry of “plainspoken”, step by step

plainspoken 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 spoken

StepLanguageWordMeaning
1EnglishspokenRelating to speech; Speaking in a specified way;...
2EnglishspokeA support structure that connects the axle or the...
3Middle EnglishspokeA spoke; A sharp spike or projection on the edge...
4Old Englishspācaspoke
5Proto-West Germanic*spaikāspoke
6Proto-Germanicspaikōspoke

Words derived from “plainspoken

Every word from Proto-Indo-European pleh₁-Every word from Proto-Indo-European pl̥h₁nósEvery word from Proto-Italic plēnos