noscitur a sociis
/ˌnɒsɪtə eɪ ˈsəʊʃɪiːs/ /ˌnɒskɪtə ɑː ˈsɒkɪiːs/noun
Law. The doctrine that if the meaning of a word is doubtful, it shall be taken to agree with the context of the surrounding words.
Origin
Mid 18th century (in an earlier sense). From post-classical Latin noscitur a sociis he is known from his companions from classical Latin nōscitur, 3rd singular present passive indicative of nōscere to know + ā by, from + sociīs, ablative plural of socius companion.