词根词缀：ami-, amic-

【来源及含义】Latin: friend, friendly; loveable; goodwill, cordial; peaceful relations

【相关描述】The words in this "friend" unit are directly related to the "love" or the amo- unit.

【同源单词】amiability, amiable, amiably, amicability, amicable, amicably

词根词缀：optim-

【来源及含义】Latin: best, exceptionally good

【同源单词】Amicus optima vitae possessio, Magnus opus, Nil nisi optimum, optimal, optimal allocation, optimal control