What is the meaning of Nihil?

A nihil dicit.

nothingness, nonbeing

nothing

null

empty

The absence of anything; nothing.

nothing

nihil or nil + the enclitic particle -ne, nihilne or nilne — more emphatic in a negative sense, a stronger negative than nōn: nothing at all, not at all, none at all, not any

(not) at all, in nothing, in no respect

to no purpose, in vain; for no reason, for nothing

zero

Source: wiktionary.org