词根：-test-

【词根含义】：证据,验证

【词根来源】：来源于拉丁语名词testis(目击,证人)和拉丁语动词testor, testari, testatus, sum(作证)。

【同源单词】：contest, contestant, protest, testify

前缀：con-

【词根含义】：共同,一起;加强意义

【词根来源】：用于c, d, f, g, j, n, q, s, t, v前,com-的变体。

【同源单词】：concave, conceal, concede, conceit, conceited

词根词缀：testi-, test-

【来源及含义】Latin: a witness, one who stands by; from testicle, one of the two oval male gonads supported in the scrotum by its tissues and suspended by the spermatic cord

【同源单词】Ab intestato, attest, attestable, attestant, attestation, attester