เพชร ภาษาอังกฤษ

Etymology tree Proto-Indo-European *né Proto-Indo-European *n̥- Proto-Hellenic *ə- Ancient Greek ἀ- (a-)? Proto-Indo-European *demh₂-der. Ancient Greek δαμνάω (damnáō)? Ancient Greek ἀδάμας (adámas)der. Latin adamāsder. Late Latin diamās Old French diamantbor. Middle English dyamaunt English diamond From Middle English dyamaunt, from Old French diamant, from Late Latin diamās, from Latin adamās, from Ancient Greek ἀδάμᾱς (adámās, “diamond”). Doublet of adamant. The printing sense is a calque of Dutch diamant, used by Dirck Voskens who first cut it around 1700; compare pearl, ruby (“size of type between pearl and nonpareil”).