Where does “full-heartedly” come from?

full-heartedly (English) comes from English full-hearted, from English full, from Middle English fúl, from Old English full, from Proto-West Germanic full, from Proto-Germanic fullaz, from Proto-Indo-European pl̥h₁nós, from Proto-Indo-European pleh₁- — to fill.

full-heartedly (English): In a full-hearted manner

Definitions

  1. In a full-hearted manner

Ancestry of “full-heartedly”, step by step

full-heartedly traces back through two separate lines of ancestry.

via English full-hearted

StepLanguageWordMeaning
1Englishfull-heartedAlternative form of fullhearted
2EnglishfullContaining the maximum possible amount that can...
3Middle Englishfúlvery; much; to a great extent
4Old Englishfullfull, filled, complete, entire; a beaker; a cup,...
5Proto-West Germanicfullfull
6Proto-Germanicfullazfull; the whole, the entire
7Proto-Indo-Europeanpl̥h₁nósfull
8Proto-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-Germanic fullaz