เทศนา

Etymology
From ; perhaps via or. Cognate with Modern 🇨🇬,.

Noun

 * 1)  preaching; teaching; sermon; discourse; lecture.
 * 2)  preaching: moral advice, especially one given in an obtrusive or tedious way.
 * 3)  lecture: long, tedious reprimand.

Verb

 * 1)  to preach; to teach; to deliver a sermon; to give a discourse; to lecture.
 * 2)  to preach: to give moral advice, especially in an obtrusive or tedious way.
 * 3)  to lecture: to rebuke or reprimand at some length.