nisus
A mental or physical effort to attain a specific goal; a striving.
uncountable
The godly personality of a higher order, as the telos of the nisus of moral categoriality, is the sensus plenior of the nisus to a universal communalization of perspectives.
The periodic procreative desire manifested in the spring by birds, etc.
uncountable
Where it comes from
From Latin nīsus (“pressure, exertion”).
Adapted from the Wiktionary entry nisus (CC BY-SA 4.0).