caveat

There is at least one caveat in cultivation: you’ll have to stick to only one discipline, such as that according to Bhaiṣajyaguru, the Medicine Buddha.

He gave his daughter some hyacinth bulbs with the caveat that she plant them in the shade.

The necessity for caveats arise in two cases: one class of caveats is prohibitory as regards some contemplated dealing or transaction affecting the property described in the caveat; while another class of caveats arises out of adverse claims to the land itself, or to some estate or interest in the land.