Meaning

noun the body of Jews (or Jewish communities) outside Palestine or modern Israel

noun the dispersion of the Jews outside Israel; from the destruction of the temple in Jerusalem in 587-86 BC when they were exiled to Babylonia up to the present time

noun the dispersion or spreading of something that was originally localized (as a people or language or culture)

originFrom Ancient Greek διασπορᾱ́ (diasporā́, “dispersion”), from διασπείρω (diaspeírō, “to scatter”), from δια- (dia-, prefix indicating motion across or in all directions) + σπείρω (speírō, “to sow”).

Etymology from Wiktionary, CC BY-SA 3.0