nisus
ni·sus
noun \ˈnī-səs\ plural ni·sus\-səs, -ˌsüs\
Definition of NISUS
: a mental or physical effort to attain an end : a perfective urge or endeavor
Origin of NISUS
Latin, from niti to lean, rely, strive; akin to Latin nictare to wink — more at connive
First Known Use: 1699
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