# actus
## English
### Etymology

From Latin āctus (“a cattle drive; a cattle path; units of length and area”). Doublet of act.

### Noun

actus (plural actus or acti)
* (historical units of measure) A former Roman unit of length, equal to 120 Roman feet (about 35.5 m)
* (historical units of measure) A former Roman unit of area, equivalent to a square with sides of 1 actus (about 0.125 ha)

#### Meronyms

* (units of area): juger, jugerum (2 acti)

### References

* "actus, n.", in the Oxford English Dictionary, Oxford: Oxford University Press.

### Anagrams

* scuta

## French
### Pronunciation

* Audio:(file)

### Noun

actus f
* plural of actu

## Latin
### Pronunciation

* (Classical Latin) IPA: /ˈaːk.tus/, [ˈäːkt̪ʊs̠]
* (modern Italianate Ecclesiastical) IPA: /ˈak.tus/, [ˈäkt̪us]

### Etymology 1

Perfect passive participle of agō (“make, do”). Compare Sanskrit अक्त (akta, “driven”).

#### Participle

āctus (feminine ācta, neuter āctum); first/second-declension participle
* made, done, having been done.

##### Declension

First/second-declension adjective.

### Etymology 2

From agō (“I do, make, drive”) +‎ -tus (suffix forming fourth declension action nouns from verbs).

#### Noun

āctus m (genitive āctūs); fourth declension
* act, action, doing, deed
    Synonyms: āctiō, factum, rēs, gestum, facinus
    actum est de aliquo ― It is over for someone, the fate of someone is sealed
* performance, behavior
* a cattle drive, the act of driving cattle or a cart
* a cattle path or narrow cart track
* (historical units of measure) actus (a former Roman unit of length equal to 120 Roman feet (about 35.5 m))
* (historical units of measure) actus (a former Roman unit of area equivalent to a square with sides of 1 actus (about 0.125 ha))

##### Declension

Fourth-declension noun.

##### Meronyms

* (unit of length): pēs ($^1$⁄$_{120}$ āctūs)
* (unit of area): decempeda ($^1$⁄$_{144}$ āctūs); clima ($^1$⁄$_4$ āctūs); iugerum (2 āctūs); hērēdium (4 āctūs); centuria (400 āctūs); saltus (1600 āctūs)

##### Derived terms

* āctuārius
* āctuō
* āctuōsus
* āctūtum

##### Related terms

* ācta

##### Descendants

* → Aragonese: acto
* → Asturian: actu
* → Catalan: acte
* Corsican: attu
* → French: acte
** → Romanian: act
* Friulian: at
* → Galician: acto
* → German: Akt
** → Norwegian Bokmål: akt
** → Polish: akt (semantic loan)
* → Middle Irish: acht
** Irish: acht
** Manx: aght
** Scottish Gaelic: achd
* Italian: atto
* Neapolitan: atto
* → Norwegian Bokmål: akt
* → Occitan: acte
* → Old French: acte
** → English: act
* Old Galician-Portuguese: auto
** Portuguese: auto
** Galician: auto
* → Portuguese: ato
* → Romansch: act
* → Russian: акт m (akt)
* Sardinian: atu, attu
* Sicilian: attu
* Spanish: auto
* → Spanish: acto
* → Swedish: akt
* Venetan: ato

### References

* “actus”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
* “actus”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
* actus in Enrico Olivetti, editor (2003-2025), Dizionario Latino, Olivetti Media Communication
* "actus", in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
* actus in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.
* Carl Meißner, Henry William Auden (1894) Latin Phrase-Book‎, London: Macmillan and Co. an act: actus (ambiguous) I'm undone! it's all up with me: perii! actum est de me! (Ter. Ad. 3. 2. 26) (ambiguous) to have all one's trouble for nothing: rem actam or simply actum agere (proverb.) (ambiguous) rest after toil is sweet: acti labores iucundi (proverb.) (ambiguous) it's all over with me; I'm a lost man: actum est de me (ambiguous) a good conscience: conscientia recta, recte facti (factorum), virtutis, bene actae vitae, rectae voluntatis (ambiguous) to declare a magistrate's decisions null and void: acta rescindere, dissolvere (Phil. 13. 3. 5) (ambiguous) amnesty (ἀμνηρτία): ante actarum (praeteritarum) rerum oblivio or simply oblivio
* “actus”, in Harry Thurston Peck, editor (1898), Harper's Dictionary of Classical Antiquities, New York: Harper & Brothers
* “actus”, in William Smith et al., editor (1890), A Dictionary of Greek and Roman Antiquities, London: William Wayte. G. E. Marindin