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Attested from the 1630s. Derived as a compound of indefatigable + -ity.
Etymology from Wiktionary, CC BY-SA 4.0.
indefatigability
Today it means: The state of being indefatigable: tirelessness; persistence; stamina. Full definition →
Today it means: The state of being indefatigable: tirelessness; persistence; stamina. Full definition →
Attested from the 1630s. Derived as a compound of indefatigable + -ity.
Etymology from Wiktionary, CC BY-SA 4.0.