词根：-do-, -dow-, -don-

【词根含义】：给

【词根来源】：来源于拉丁语动词do, dare, dedi, datus(给)和dono, donare, donavi, donates(给)。

【同源单词】：edit, edition, editor, editorial, endow

前缀：e-, ex-

【词根含义】：出,向外;向上

【词根来源】：e-用在b, c, d, g, j, l, m, n, r, v前;ex-用在s前时,s常省略。来源于拉丁语前缀ex-。

【同源单词】：edit, edition, editor, editorial, educate

词根词缀：dat-, dos-, dot-, dow-, don-, dit-

【来源及含义】Greek + Latin: dare, to give, a giving, given; a gift; to grant, to offer

【相关词根词缀】 Another term used for medical dosage can be seen at this posology page.

【同源单词】a datu, a die datus, air dose, anecdote, antidotal therapy, antidote