English
grindingly
From grinding + -ly.
A compound of grinding + -ly
Proto-Germanic *grindaną ‘to grind’
Proto-West Germanic *grindan ‘to grind’
Old English grindan ‘to grind’
Middle English grynden ‘to grind’
Middle English gryndynge
English grinding
Today it means
adv With a grinding sound or motion.
Language periods are conventional ranges, not dates for this word.
Etymograph / grindingly