acmiteyoudaoicibaDictYouDict[acmite 词源字典]
"An iron-containing mineral of the pyroxene group, which occurs as dark green, pointed crystals", Early 19th cent. Originally from Swedish Achmit from Greek ἀχμή, supposed variant of ancient Greek ἀκμή point + -it, so called on account of the shape of its crystals. In later use altered after ancient Greek ἀκμή.[acmite etymology, acmite origin, 英语词源]