Where does “grief” come from?

grief (Dutch) comes from Middle Dutch grief, from Old French grief, from Late Latin grevis, from Latin gravis, from Proto-Indo-European gʷréh₂us, from Proto-Indo-European -us — Forms adjectives from Caland system roots.

grief (Dutch): grievance, complaint, bone to pick, issue

Definitions

grievance, complaint, bone to pick, issue

Ancestry of “grief”, step by step

Step	Language	Word	Meaning
1	Middle Dutch	grief	—
2	Old French	grief	pain; anguish; suffering; sad
3	Late Latin	grevis	—
4	Latin	gravis	heavy; troublesome, hard; grave, serious
5	Proto-Indo-European	gʷréh₂us	heavy
6	Proto-Indo-European	-us	Forms adjectives from Caland system roots

Every word from Proto-Indo-European -us →Every word from Proto-Indo-European gʷréh₂us →Every word from Latin gravis →