especially in sense 2 ˈäk-ˌtu̇s
plural actus
Roman law : the right to drive a beast or a vehicle over another's land
distinguished from iter and via
[Medieval Latin (translation of Greek energeia), from Latin actus] : an act or thing done
specifically : a mental or spiritual act
used in Scholasticism to render Aristotle's terms energeia and entelecheia
compare energy, entelechy

Word History


Latin, literally, driving, doing, act, deed

First Known Use

1812, in the meaning defined at sense 1

Time Traveler
The first known use of actus was in 1812

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Dictionary Entries Near actus

Cite this Entry

“Actus.” Dictionary, Merriam-Webster, Accessed 21 Jun. 2024.

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