What is the meaning of Aught?

Anything whatsoever, any part.

At all, in any degree, in any respect.

Whit, the smallest part, iota.

Zero.

The digit zero.

Estimation.

Of importance or consequence (in the phrase "of aught").

Esteem, respect.

Obsolete or dialectal form of ought

Obsolete or dialectal form of eight.

any, anything

alternative form of ayght (“eight”)

Source: wiktionary.org