Agility

wiktionary

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From late Middle English, borrowed from Middle French agilité, from Latin agilitās, from agilis(“nimble, fleet, quick”), equivalent to agile +‎ -ity.

etymonline

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agility (n.)

early 15c., "nimbleness, quickness," from Old French agilité (14c.), from Latin agilitatem (nominative agilitas) "mobility, nimbleness, quickness," from agilis "nimble, quick," from agere "to set in motion; keep in movement" (from PIE root *ag- "to drive, draw out or forth, move"). Of mental swiftness from mid-15c.