English
granitiform
From granite + -form.
Formed from granite + -form
Proto-Indo-European *ǵerh₂- ‘to grow old, to mature’
…
Italian grano ‘grain’
Italian granire ‘to granulate’
Italian granito
French granit
English granite
Today it means
adj Resembling granite in structure or shape.
Language periods are conventional ranges, not dates for this word.
Etymograph / granitiform