English

intergranular

From inter- + granular.

Proto-Indo-European *h₁én ‘in’

Proto-Indo-European *h₁entér ‘between’

Proto-Italic *n̥ter ‘between’

Latin inter ‘between’

Proto-Indo-European *ǵr̥h₂nóm ‘grain’

Proto-Italic *grānom ‘grain’

Latin grānum ‘grain, seed’

Latin ulum

Late Latin grānulum ‘granule, little grain’

Today it means

adj Occurring along the boundaries between the crystals or grains of a metal

Language periods are conventional ranges, not dates for this word.

Etymograph / intergranular