词根词缀：-or; -our

【来源及含义】Latin: a suffix; state of, result of; he who, that which

【同源单词】abdicator, abductor, ablator, acanthor, accelerator, adductor

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