An anecdotum is another word for an anecdote, a short account of a real incident or person.
An anecdoton is another name for an anecdote - anecdoton is a word commonly used in Greece, borrowed from the Latin word "anecdotum".
Friedrich Gotthilf Osann has written: 'Anecdotum romanum de notis veterum criticis imprimis Aristarchi homericis et Iliade Heliconia' 'Sylloge inscriptionum antiquarum Graecarum et Latinarum' -- subject(s): Inscriptions, Greek, Inscriptions, Latin, Latin Inscriptions, Greek Inscriptions