"to offer," late 13c., from Anglo-French profrier (mid-13c.), Old French poroffrir (11c.), from por- "forth" (from Latin pro; see pro-) + offrir "to offer," from Latin offerre (see offer (v.)). Related: Proffered; proffering. As a noun from late 14c.
professionalism
professionalize
professor
professorial
professorship
proffer
proficiency
proficient
profile
profiling
profit