Where does “jealously” come from?

Jealously comes from Middle English -ly added to Old French gelus, itself from Latin -osus suffixed to a root from Proto-Indo-European ḱóm meaning together.

jealously (English): In a jealous manner

Definitions

  1. In a jealous manner

Ancestry of “jealously”, step by step

StepLanguageWordMeaning
1EnglishjealousSuspecting rivalry in love; troubled by worries...
2Middle EnglishjelousJealous about a relationship; fearful about one's...
3Old Frenchjalouseager; zealous; jealous
4Latinzēlōsusjealous
5Latinzēluszeal, emulation
6Ancient GreekΖῆλοςZelus
7Proto-Indo-Europeanyeh₂-to go; to go in, enter; to ride, to travel
Every word from Proto-Indo-European yeh₂-Every word from Ancient Greek ΖῆλοςEvery word from Latin zēlus