Where does “sullenly” come from?

Sullenly derives from English sullen plus the adverbial suffix -ly, from Middle English -ly and Old English -līċ, from Proto-Germanic -līkaz, ultimately from Latin solus meaning alone.

sullenly (English): In a sullen manner

Definitions

  1. In a sullen manner

Ancestry of “sullenly”, step by step

StepLanguageWordMeaning
1EnglishsullenHaving a brooding ill temper; sulky; Gloomy;...
2Middle Englishsoleynalone, solitary of one person; in solitude
3Anglo-Normansoleynalone; solitary; alone; sole; only
4Old Frenchsoleoblique/nominative feminine singular of sol
5Vulgar Latinsolanominative plural of solum; accusative plural of...
6Latinsoleasandal; sole of a shoe
7Latinsōlumbottom, ground, base, foundation, bed
8Proto-Indo-Europeanswol-sole; sole of the foot
Every word from Proto-Indo-European swol-
sullenly — Etymology, Origin & Word History | Etymology Explorer