15 letters · 29 points in Scrabble
verb become professional or proceed in a professional manner or in an activity for pay or as a means of livelihood
verb make professional or give a professional character to
originEtymology tree English professional Proto-Indo-European *-id- Proto-Indo-European *-yéti Proto-Indo-European *-idyéti Proto-Hellenic *-íďďō Ancient Greek -ῐ́ζω (-ĭ́zō)bor. Late Latin -izōder. Middle French -iserbor. Middle English -isen English -ize English professionalize From professional + -ize.
Etymology from Wiktionary, CC BY-SA 3.0