Word Parts - fin

fin - end or limit

finish - come to an end; fine - very good, good enough; fine as in money paid, meaning you have come to the end after you pay the money/fine; finite - having an end; define - determine the meaning of, end of, boundaries of; finale - closing piece.

Do you know the definitions of:

infinite, definite, indefinite, final, confine, affinity, infinitesimal, finis, ad infinitum