English
gentlesir
From gentle + sir, modelled on gentleman.
Proto-Indo-European *ǵenh₁- ‘to produce, to beget, to give birth’
…
Latin gens ‘[Roman] clan’
Latin gentilis ‘of the same family or clan’
Old French gentil ‘high-born, noble’
Middle English gentil ‘courteous, noble’
English gentle
Proto-Indo-European *sénos ‘old’
…
Latin senex ‘old’
Latin senior ‘older’
Old French sire ‘master’
Middle English sir
English sir
Today it means
noun A polite form of address for a man.
Language periods are conventional ranges, not dates for this word.
Etymograph / gentlesir