Where does “grinde” come from?

grinde (Middle Dutch) comes from Old Dutch grinda, from Proto-Germanic grindō, from Proto-Indo-European gʰrendʰ- — beam, plank.

Ancestry of “grinde”, step by step

StepLanguageWordMeaning
1Old Dutchgrinda—
2Proto-Germanicgrindōgravel; sand; pebbles
3Proto-Indo-Europeangʰrendʰ-beam, plank
Every word from Proto-Indo-European gʰrendʰ- →Every word from Proto-Germanic grindō →Every word from Old Dutch grinda →