Where does “pro-gay” come from?

pro-gay (English) comes from English pro, from English professional, from English profession, from Anglo-Norman professioun, from Old French profession, from Latin professiō, from Latin -tiō, from Latin dissertātiō — small stone, pebble; gravel, rubble.

pro-gay (English): Supporting gay people, or rights for gay people

Definitions

  1. Supporting gay people, or rights for gay people

Ancestry of “pro-gay”, step by step

pro-gay traces back through two separate lines of ancestry.

via English pro

StepLanguageWordMeaning
1EnglishproAn advantage of something, especially when...
2EnglishprofessionalA person who belongs to a profession; A person...
3EnglishprofessionA declaration of belief, faith or one's opinion,...
4Anglo-Normanprofessioun
5Old Frenchprofessionprofession; declaration
6Latinprofessiōdeclaration, avowal, profession (act of professing)
7Latin-tiōtion, -ation, -ing
8Latindissertātiō(spoken) dissertation, discourse, disquisition
9Latindissertusarranged, disposed; explained
10Latindissereresecond-person singular future passive indicative...
11Latindis-asunder, apart, in two; reversal, removal;...
12Latincalceusshoe
13Latincalxlimestone; chalk; the finish line
14Ancient Greekχάλιξsmall stone, pebble; gravel, rubble

via English Gay

StepLanguageWordMeaning
1EnglishGayoriginally a nickname for a cheerful or lively person
2EnglishQueenA title used before the personal name of a queen
3Middle EnglishqueneA queen; Any powerful woman noble; A female...
4Old Englishcwenea woman; inflection of cwēn: ##...
5Old Englishcwēnqueen; woman, wife, queen
6Proto-West Germanickwāniwoman, wife
7Proto-Germanickwēnizwife
8Proto-Indo-Europeangʷḗnwoman
9Proto-Indo-Europeangʷen-woman
Every word from Ancient Greek χάλιξEvery word from Latin -tiōEvery word from Latin dis-