Where does “professional” come from?

professional (Catalan) comes from Catalan professió, from Latin professiō, from Latin -tiō, from Latin dissertātiō, from Latin dissertus, from Latin disserere, from Latin dis-, from Latin calceus — small stone, pebble; gravel, rubble.

professional (Catalan): professional

Definitions

  1. professional

Ancestry of “professional”, step by step

professional traces back through two separate lines of ancestry.

via Catalan professió

StepLanguageWordMeaning
1Catalanprofessióprofession
2Latinprofessiōdeclaration, avowal, profession (act of professing)
3Latin-tiōtion, -ation, -ing
4Latindissertātiō(spoken) dissertation, discourse, disquisition
5Latindissertusarranged, disposed; explained
6Latindissereresecond-person singular future passive indicative...
7Latindis-asunder, apart, in two; reversal, removal;...
8Latincalceusshoe
9Latincalxlimestone; chalk; the finish line
10Ancient Greekχάλιξsmall stone, pebble; gravel, rubble

via Catalan al

StepLanguageWordMeaning
1Catalanal

Words derived from “professional

Every word from Ancient Greek χάλιξEvery word from Latin -tiōEvery word from Latin dis-
professional — Etymology, Origin & Word History | Etymology Explorer