sermon

Etymology 1

From Middle English sermoun, from Anglo-Norman sermun and/or Old French sermon, from Latin sermō, sermōnem.

noun

1. Religious discourse; a written or spoken address on a religious or moral matter.
2. A lengthy speech of reproval.

Etymology 2

From Middle English sermonen, from Old French sermoner, from sermon (see above).

verb

1. (poetic, obsolete) To discourse to or of, as in a sermon.
   January 23 1583, Edmund Spenser, letter to Walter Raleigh To some I know this methode will seem displeasaunt, which had rather have good discipline delivered plainly in way of precepts, or sermoned at large, as they use, then thus clowdily enwrapped in allegorical devises
2. (poetic, obsolete) To tutor; to lecture.