What's the semantic field of soit? What notions underlie these 3 significations that look completely unrelated to me?
Alain Rey, ed. Dictionnaire historique de la langue française, 4th edn. 2 vols. Paris: Le Robert, 2016 (1st edn. 1992). Anyone know the page number?
My local library has merely 2 of the French etymological dictionaries listed on Wikipedia. "soit" was overlooked in Jacqueline Picoche [fr]. Dictionnaire étymologique du français. Paris: Le Robert, 1971.
I used interlinear glossing in the title. 3SG PRS = 3rd person singular present.