nietastro

== Spanish == === Noun === nietastro m (plural nietastros, feminine nietastra, feminine plural nietastras) stepgrandson, stepgrandchild ==== Derived terms ==== === Further reading === “nietastro”, 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