# ratus
## English
### Noun

ratus
* plural of ratu

### Anagrams

* Rutas, Surat, Sūtra, Astur, sutra, Astur-, Sutra, taurs, UARTs, sūtra, USART, surat

## Banjarese
### Etymology

From Proto-Malayic *ratus, from Proto-Malayo-Polynesian *ʀatus, from Proto-Austronesian *ɣatus.

### Numeral

ratus
* hundred

## Indonesian
### Alternative forms

* ratoes (1901–1947)

### Etymology

From Malay ratus, from Proto-Malayic *ratus, from Proto-Malayo-Polynesian *ʀatus, from Proto-Austronesian *RaCus.

### Pronunciation

* (Standard Indonesian) IPA: /ˈratus/ [ˈra.t̪ʊs]
* Audio:(file)
* Rhymes: -atus
* Syllabification: ra‧tus

### Numeral

ratus
* (as a combining form) hundred

#### Usage notes

Only function as a combining form for other numbers (seratus, dua ratus, tiga ratus, ...). The proper word for a hundred is seratus.

## Latin
### Pronunciation

* (Classical Latin) IPA: /ˈra.tus/, [ˈrät̪ʊs̠]
* (modern Italianate Ecclesiastical) IPA: /ˈra.tus/, [ˈräːt̪us]

### Etymology 1

Perfect active (or passive, with active meaning) participle of reor (“I think, I consider”).

#### Participle

ratus (feminine rata, neuter ratum); first/second-declension participle
* considered, having considered.
* judged, having judged

##### Declension

First/second-declension adjective.

#### Adjective

ratus (feminine rata, neuter ratum); first/second-declension adjective
* established, authoritative
* fixed, certain

##### Declension

First/second-declension adjective.

##### Derived terms

* irritus

#### Descendants

* → English: rate, ratify
* → Italian: rato

### Etymology 2
#### Noun

ratus m (genitive ratī); second declension
* Alternative form of rattus (“rat”)

##### Declension

Second-declension noun.

### References

* “ratus”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
* “ratus”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
* "ratus", 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)
* ratus in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.
* Carl Meißner, Henry William Auden (1894) Latin Phrase-Book‎, London: Macmillan and Co. the regular courses of the stars: motus stellarum constantes et rati a law is valid: lex rata est (opp. irrita) to declare a law valid: legem ratam esse iubere

## Latvian
### Noun

ratus m
* accusative plural of rats

## Malay
### Etymology

From Proto-Malayic *ratus, from Proto-Malayo-Polynesian *Ratus, from Proto-Austronesian *RaCus (“hundred”).
First attested in the Kedukan Bukit inscription, 683 AD, as Old Malay [script needed] (ratus).

### Pronunciation

* (Johor-Selangor) IPA: /ra.tos/
* (Riau-Lingga) IPA: /ra.tʊs/
* Rhymes: -atos, -tos, -os
* Audio (Malaysia):(file)
* Rhymes: -us

### Numeral

ratus (Jawi spelling راتوس)
* hundred

#### Derived terms

Regular affixed derivations:
* beratus-beratus [stative / habitual + reduplication] (beR- + redup)
* meratus [agent focus] (meN-)
* ratusan [resultative / locative / collective / variety / verbal noun / fruit] (-an)
* peratus (“percent”) [causative passive] (peR-)
Irregular affixed derivations, other derivations and compound words:
* rempah ratus
* dua ratus (“two hundred”)
* empat ratus (“four hundred”)
* enam ratus (“six hundred”)
* lapan ratus (“eight hundred”)
* lima ratus (“five hundred”)
* pitu ratus (“seven hundred”)
* ratus ribu
* satu ratus
* sembilan ratus (“nine hundred”)
* seratus
* telu ratus (“three hundred”)
* tiga ratus (“three hundred”)
* tujuh ratus (“seven hundred”)

#### Descendants

* Indonesian: ratus

### Further reading

* “ratus” in Pusat Rujukan Persuratan Melayu | Malay Literary Reference Centre, Kuala Lumpur: Dewan Bahasa dan Pustaka, 2017.
* "ratus" in Kamus Dewan, Fourth Edition, Dewan Bahasa dan Pustaka, →ISBN, 2005.