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Latin word asper comes from Hittite ḫasp-, Proto-Indo-European *h₂esp-, Ancient Greek ἀσπίς
ḫasp- (Hittite)
*h₂esp- (Proto-Indo-European)
ἀσπίς (Ancient Greek)
asper (Latin)
Rough, uneven, coarse, unrefined, rude, sharp, newly minted.