rugiada.

Ultimately from Vulgar Latin *rōsāta, from Latin rōs, but borrowed, at least in the form rugiada, from some Gallo-Italic language. The form in question is first documented in the late thirteenth century, as are both of the more indigenous-looking variants above. More information As ⟨VgiV⟩ has since the late thirteenth century in Tuscany denoted [ʒ] (later 'amended' to [d͡ʒ] in Standard Italian), ⟨rugiada⟩ would be the expected spelling for a pronunciation like [ruˈʒaːda]. As it happens, [ʒ] is a common intervocalic outcome of Latin /s/ in Gallo-Italic, for instance in the modern dialects bordering northeastern Tuscany.