a fio

== Portuguese == === Etymology === Inherited from Old Galician-Portuguese a fio. === Pronunciation === === Adverb === a fio (not comparable) (idiomatic) uninterruptedly, continuously, constantly Synonym: ininterruptamente anos a fio ― for years, uninterruptedly Used other than figuratively or idiomatically: see a,‎ fio. === Further reading === “a fio”, in Dicionário Priberam da Língua Portuguesa (in Portuguese), Lisbon: Priberam, 2008–2026