“As much or as often as necessary or desired”.
[…] the phrase ad libitum (ædˈlɪbɪtəm; from Latin [Latin] for ‘at one’s pleasure’ or ‘as you desire’),
Bibliography
“Ad Libitum.” 2022. Wikipedia, December. https://en.wikipedia.org/w/index.php?title=Ad_libitum&oldid=1129331258.