词根：-tain-, -ten-, -tin-

【词根含义】：握,持有

【词根来源】：来源于拉丁语动词teneo, tenere, tenui, tentus(握,持有)。

【同源单词】：abstain, attain, attainable, attainment, contain

前缀：at-

【词根来源】：ad-的变体,用在t前

【同源单词】：attach, attachment, attack, attain, attainable

词根词缀：tang-, tact-, tast-, ting-, -tig -tag, -teg-

【来源及含义】Latin: touch, feel; try; reach; handle; evaluate, estimate

【同源单词】anticontagious, atactilia, attain, attainable, attainder, attainment