英语词源字典 - 在线词源网站

grammatist (n.)[grammatist 词源字典]: 1580s, "grammarian," from French grammatiste (16c.), from Medieval Latin grammatista, from Greek grammatistes "one who teaches letters," from gramma "a drawing; a letter, character" (see -gram).[grammatist etymology, grammatist origin, 英语词源]
hierophant (n.): "expounder of sacred mysteries," 1670s, from Late Latin hierophantes, from Greek hierophantes "one who teaches the rites of sacrifice and worship," literally "one who shows sacred things," from hieros "sacred" (see ire) + phainein "to reveal, bring to light" (see phantasm). In modern use, "expounder of esoteric doctrines," from 1822.
professor (n.): late 14c., "one who teaches a branch of knowledge," from Old French professeur (14c.) and directly from Latin professor "person who professes to be an expert in some art or science; teacher of highest rank," agent noun from profiteri "lay claim to, declare openly" (see profess). As a title prefixed to a name, it dates from 1706. Short form prof is recorded from 1838.
Professor. One professing religion. This canting use of the word comes down from the Elizabethan period, but is obsolete in England. [Thornton, "American Glossary," 1912]
teacher (n.): "one who teaches," c. 1300; agent noun from teach (v.). It was used earlier in a sense of "index finger" (late 13c.). Teacher's pet attested from 1856.