# ruo
## Translingual
### Symbol

ruo
* (international standards) ISO 639-2 & ISO 639-3 language code for Istro-Romanian.

### See also

* Wiktionary's coverage of Istro-Romanian terms

## Franco-Provençal
### Noun

ruo (Old Dauphinois)
* Alternative form of roua (“wheel”)

### References

* Walther von Wartburg (1928–2002) “rŏta”, in Französisches Etymologisches Wörterbuch, volume 10: R, page 490

## Galician
### Verb

ruo
* (reintegrationist norm) first-person singular present indicative of ruar

## Latin
### Pronunciation

* (Classical Latin) IPA: /ˈru.oː/, [ˈruoː]
* (modern Italianate Ecclesiastical) IPA: /ˈru.o/, [ˈruːo]

### Etymology 1

From Proto-Italic *rowō, from Proto-Indo-European *h₃rew- (“to run, hurry”). Cognate with Ancient Greek ὀρούω (oroúō, “hurry”).

#### Verb

ruō (present infinitive ruere, perfect active ruī, supine rutum); third conjugation
* to hurry, rush, hasten, move quickly
    Synonyms: currō, accurrō, trepidō, festīnō, prōvolō, properō, prōripiō, corripiō, affluō, mātūrō, prōsiliō
    Antonyms: retardō, cūnctor, moror, dubitō, prōtrahō, trahō, differō
* to collapse, fall down, fall in ruins, topple
** 29 BCE – 19 BCE, Virgil, Aeneid 2.290:“‘Hostis habet mūrōs; ruit altō ā culmine Troia.’”[Aeneas recalls Hector’s dire warning:] “‘The enemy holds [our] walls; Troy is toppling down from [her] lofty height.’”
* to fail, fall
    Synonyms: corruō, cadō, incidō, incurrō, occidō, accidō
* to cast down; to hurl to the ground, prostrate
    Synonyms: prōsternō, sternō, fundō, prōflīgō

##### Derived terms

* arruō
* corruō
* dēruō
* diruō
* eruō
* irruō
* obruō
* ruīna
* surruō

##### Descendants

* French: ruer
* Italian: ruere, ruire
* Portuguese: ruir
* Spanish: ruir
* Sardinian: ruere, arrui

### Etymology 2

From Proto-Italic *rowō, from Proto-Indo-European *(H)rewH- (“to tear out, dig out”).

#### Verb

ruō (present infinitive ruere); third conjugation, no perfect or supine stems
* to dig out

##### Usage notes

There has been some confusion between the derivatives of the two verbs.

##### Derived terms

* rutrum
* rutus
* rutābulum

### References

* ↑ De Vaan, Michiel (2008) “ruō, -ere 1”, in Etymological Dictionary of Latin and the other Italic Languages (Leiden Indo-European Etymological Dictionary Series; 7), Leiden, Boston: Brill, →ISBN, page 530
* ↑ De Vaan, Michiel (2008) “ruō, -ere 2”, in Etymological Dictionary of Latin and the other Italic Languages (Leiden Indo-European Etymological Dictionary Series; 7), Leiden, Boston: Brill, →ISBN, pages 530-1

### Further reading

* “ruo”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
* “ruo”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
* ruo in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.
* Carl Meißner, Henry William Auden (1894) Latin Phrase-Book‎, London: Macmillan and Co. to be ruined, undone: ad interitum ruere
* Pokorny, Julius (1959) Indogermanisches etymologisches Wörterbuch [Indo-European Etymological Dictionary] (in German), volume 1, Bern, München: Francke Verlag, page 326

## Mandarin
### Romanization

ruo
* Nonstandard spelling of ruó.
* Nonstandard spelling of ruò.

#### Usage notes

* Transcriptions of Mandarin into the Latin script often do not distinguish between the critical tonal differences employed in the Mandarin language, using words such as this one without indication of tone.

## Marshallese
### Etymology

From Proto-Micronesian *rua, from Proto-Oceanic *rua, from Proto-Eastern Malayo-Polynesian *dua, from Proto-Central-Eastern Malayo-Polynesian *dua, from Proto-Malayo-Polynesian *duha, from Proto-Austronesian *duSa.

### Pronunciation

* (phonetic) IPA: [rˠuɔ]
* (phonemic) IPA: /rˠiwɛw/
* Bender phonemes: {riwew}

### Numeral

ruo
* two

### References

* Marshallese–English Online Dictionary

## Portuguese
### Verb

ruo
* first-person singular present indicative of ruar