Where does “plainspokenly” come from?

plainspokenly (English) comes from English plainspoken, 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 — to fill.

plainspokenly (English): In a plainspoken manner

Definitions

  1. In a plainspoken manner

Ancestry of “plainspokenly”, step by step

plainspokenly traces back through two separate lines of ancestry.

via English plainspoken

StepLanguageWordMeaning
1EnglishplainspokenSpeaking plainly or simply
2EnglishplainFlat, level; Simple; Obvious
3Middle Englishpleynclear; unambiguous
4Anglo-NormanpleynAlternative form of plein
5Old Frenchplayn
6Old Frenchplainfull; plain; flat
7Latinplēnusfull; filled; complete
8Proto-Italicplēnosfull
9Proto-Indo-Europeanpl̥h₁nósfull
10Proto-Indo-Europeanpleh₁-to fill

via English ly

StepLanguageWordMeaning
1EnglishlyAbbreviation of light-year
2VietnameselyAlternative spelling of li
Every word from Proto-Indo-European pleh₁-Every word from Proto-Indo-European pl̥h₁nósEvery word from Proto-Italic plēnos