An Etymological Dictionary of Astronomy and Astrophysics

To → consider or → examine by → argument, → comment, etc.; talk over or write about, especially to explore solutions; → debate (Dictionary.com).

Etymology (EN): M.E., from Anglo-Fr. discusser, from L. discussus “struck asunder, shaken, scattered,” p.p. of discutere to break up, “strike asunder,” from → dis- “apart,” + quatere “to shake, strike.”

Etymology (PE): Bahsidan, infinitive from bahs, from Ar. baHS (بحث) “investigating, examining, controversy, debate, dispute.”