This is the 8492nd most frequent Spanish word.
resto
"Resto" means "rest," "remainder," or "what is left."
Here, 'resto' is used to mean the remaining part or leftover of something, equivalent to 'the rest' in English.
Solo queda el resto, pero es suficiente.
Only the rest remains, but it is enough.
In this sentence, 'resto' refers to the remaining group of people, specifically the guests who were not yet present.
El resto de los invitados llegó tarde.
The rest of the guests arrived late.
In this usage, 'resto' represents the remainder in a mathematical division operation.