FromProto-Bahnaric*rɔːj, fromProto-Mon-Khmer*ruj ~ *ruuj ~ *ruəj ~ *ruhaj(“fly (insect)”).
roi
- fly
FromLate Latinrex.
roi m (pluralrois,feminineroine)
- king
Inherited fromMiddle Frenchroy, fromOld Frenchroi,rei, fromLatinrēgem.
roi m (pluralrois,femininereine)
- king
Leroi est mort.- Theking is dead.
- (chess)king
- (card games)king
- Antillean Creole:wa
- Guianese Creole:rwè
- Haitian Creole:wa
- (perhaps)⇒ Haitian Creole:lwa
- Karipúna Creole French:hué
- Louisiana Creole:rwa
- Seychellois Creole:lerwa
- rex(9th century)
- rei
- rai(Le Roman de Tristan, Thomas d'Angleterre)
- roy
FromLatinrēgem.
roioblique singular, m (oblique pluralrois,nominative singularrois,nominative pluralroi)
- king
- (chess)king

- rooi(alternative spelling)
FromSpanisharroyo.
roi
A dry creek, that fills with water after rainfall.
- creek
- gulch
- IPA(key): /ˈrɔ.i/
- Rhymes:-ɔi
- Syllabification:ro‧i
roi
- third-personsingularpresent ofroić
Borrowed fromOld Church Slavonicрои(roi), fromProto-Slavic*rojь. CompareCzechroj,Slovakroj andSerbo-Croatianroj.
roi n (pluralroiuri)
- swarm
FromProto-Vietic*p-rɔːj. Cognate withChut [Rục]brɔːj¹, Kha Phongurɔːj.
(classifiercây,cái) roi• (鞕,𩍢)
- whip,rod
- (zoology)flagellum
(Thisetymology is missing or incomplete. Please add to it, or discuss it at theEtymology scriptorium.)
(classifiercây,trái,quả) roi
- (Northern Vietnam)wax apple (Syzygium samarangense)
- Synonym:mận
roi
- soft mutation ofrhoi
Note: Certain mutated forms of some words can never occur in standard Welsh.
All possible mutated forms are displayed for convenience.