From Wiktionary, the free dictionary
Prepositional phrase
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fino da
- indicates a spatial or temporal limit from which one starts or reaches
- since
- fino dall'infanzia ― since childhood
- indicates a stretch of time; from... on
- fino da domani ― from tomorrow on
- from
- fino dalle sorgenti del fiume ― from the river source
- Used either to specify or emphasize a particular meaning of da, especially when it would otherwise be ambiguous.