词根：-tact-, -ting-, -tang-, -tag-

【词根含义】：接触

【词根来源】：来源于拉丁语动词tango, tangere, tetigi, tactus(接触)。

【同源单词】：contact, intact, tact, tactful, contaminate

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