strenuosity

noun

stren·​u·​os·​i·​ty ˌstrenyəˈwäsətē 

-sətē, 

-i

variants or less commonly strenuity

streˈnyüə-

plural -es

: the quality or state of being strenuous

Word History

Etymology

strenuosity from strenuous + -ity; strenuity from Middle English strenuite, from Latin strenuitat-, strenuitas, from strenuus strenuous + -itat-, -itas -ity

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