Where does “merg” come from?

merg (Old Dutch) comes from Proto-Germanic mazgą, from Proto-Indo-European mozgos.

Ancestry of “merg”, step by step

StepLanguageWordMeaning
1Proto-Germanicmazgąmarrow
2Proto-Indo-Europeanmozgos—
Every word from Proto-Indo-European mozgos →Every word from Proto-Germanic mazgą →