English
grainless
From grain + -less.
Formed from grain + -less
Proto-Indo-European *ǵerh₂- ‘to grow old, to mature’
…
Proto-Italic *grānom
Latin grānum ‘seed’
Old French grain
Middle English greyn ‘a grain’
English grain
Today it means
adj Without grain.
Language periods are conventional ranges, not dates for this word.
Etymograph / grainless