grano de arena

== Spanish == === Etymology === Literally, “grain of sand”. === Noun === grano de arena m (plural granos de arena) (idiomatic) little bit of help === Further reading === “grano de arena”, 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