Rhaeto- /ˈri:təʊ/ combining form.

ORIGIN: from Latin Rhaetus Rhaetian + -o-.

Forming adjectives and nouns with the senses ‘of Rhaetia’, ‘Rhaetian and —’, as Rhaeto-Etruscan.

DERIVATIVE Rhaeto-Liˈassic adjective (Geology) of or pertaining to the Rhaetian and Liassic stages or series M20.
Rhaeto-ˈRoman adjective & noun (a) adjective = Rhaeto-Romance adjective; (b) noun a speaker of Rhaeto-Romance: M20.
Rhaeto-Roˈmanic adjective = Rhaeto-Romance adjective M19.

Rhaeto-

Prefix

pertaining to Rhaetians, especially as a political entity

Etymology

Shortened unetymologically from Rhaetians in compounds- 20th century formation, perhaps echoing terms like Afro-, Indo-, Sino- etc.

Coordinate terms

Appendix:English nationality prefixes

词汇	Rhaeto-
词根词缀	SOED Wiktionary Rhaeto- /ˈri:təʊ/ combining form. ORIGIN: from Latin Rhaetus Rhaetian + -o-. Forming adjectives and nouns with the senses ‘of Rhaetia’, ‘Rhaetian and —’, as Rhaeto-Etruscan. DERIVATIVE Rhaeto-Liˈassic adjective (Geology) of or pertaining to the Rhaetian and Liassic stages or series M20. Rhaeto-ˈRoman adjective & noun (a) adjective = Rhaeto-Romance adjective; (b) noun a speaker of Rhaeto-Romance: M20. Rhaeto-Roˈmanic adjective = Rhaeto-Romance adjective M19. Rhaeto- Prefix pertaining to Rhaetians, especially as a political entity Etymology Shortened unetymologically from Rhaetians in compounds- 20th century formation, perhaps echoing terms like Afro-, Indo-, Sino- etc. Coordinate terms Appendix:English nationality prefixes
随便看	eucalyptus Eucharist euchre Euclidean eudaemonic Eudora Eugene Eugenia eugenic eugenics euhemerism euhominid eukaryotic eulogist eulogize eulogy -eum Eumenides Eunice eunuch eupeptic euphemism euphemistic euphonious euphony