English
professorly
From professor + -ly.
Formed from professor + -ly
Latin profiteor ‘to profess’
Latin professor ‘declarer, one who claims knowledge’
Anglo-Norman proffessur
Middle English professor
English professor
Today it means
adj Professorial; having the manner or appearance of a professor or professors.
Language periods are conventional ranges, not dates for this word.
Etymograph / professorly