Middle English word grov comes from Proto-Indo-European *gʰreb-, Old English grāfa, Old English graf (Grove.)

Detailed word origin of grov

Dictionary entry	Language	Definition
*gʰreb-	Proto-Indo-European (ine-pro)
grāfa	Old English (ang)
graf	Old English (ang)	Grove.
*grabaną	Proto-Germanic (gem-pro)	To dig. To engrave, scratch.
*grōbō	Proto-Germanic (gem-pro)	Hole, ditch, pit.
*grabō	Proto-Germanic (gem-pro)
*grōf	Old English (ang)
græf	Old English (ang)	Grave.
grafe	Middle English (enm)

Words with the same origin as grov