Where does “roundly” come from?

Roundly derives from Middle English roundly, formed from the adjective round plus the adverbial suffix -ly.

roundly (English): Circularly; Utterly or thoroughly; Boldly; openly

Definitions

  1. Circularly; Utterly or thoroughly; Boldly; openly

Ancestry of “roundly”, step by step

roundly traces back through two separate lines of ancestry.

via English round

StepLanguageWordMeaning
1EnglishroundShape; Complete, whole, not lacking; Convenient...
2Middle Englishroundcircle, round
3Old Frenchreontround
4Latinretundusround
5Latinrotundusround, circular; spherical, rotund; rounded,...
6Latinrotōto turn, trend, wheel, roll, swing about, whirl, rotate; brandish
7LatinRotaan ecclesiastical appellate court in the Catholic...
8Proto-Italicrotā
9Proto-Indo-EuropeanHróth₂-eh₂
10Proto-Indo-EuropeanHreth₂-to run

via Middle English roundly

StepLanguageWordMeaning
1Middle Englishroundly
Every word from Proto-Indo-European Hreth₂-Every word from Proto-Indo-European Hróth₂-eh₂Every word from Proto-Italic rotā