alum的词源

英文词源

alum (n.)

late 14c., "whitish mineral salt used as an astringent, dye, etc.," from Old French alum, from Latin alumen "alum," literally "bitter salt," cognate with Greek aludoimos "bitter" and perhaps with English ale.

中文词源

alum：明矾

词源同ale, 苦啤。指明矾味酸苦。-um, 金属元素后缀。

该词的英语词源请访问趣词词源英文版：alum 词源，alum 含义。