treinteno

== Spanish == === Adjective === treinteno (feminine treintena, masculine plural treintenos, feminine plural treintenas) (obsolete) thirtieth Synonym: trigésimo === Further reading === “treinteno”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8.1, Royal Spanish Academy [Spanish: Real Academia Española], 15 December 2025