Popular saints' name in the Eastern Orthodox Church, feminine of Latin Tatiānus, from Tatius (a Roman family name of obscure origin) + -ānus. Modern English usage is derived…
Maybe ultimately from Russian Аннушка (Annuška) or Classical Persian اَنُوشَه (anūša), later reanalyzed as a Sanskrit-origin name with retroflex -ष्- (-ṣ-). See Anoushka for more.
Popular saints' name in the Eastern Orthodox Church, feminine of Latin Tatiānus, from Tatius (a Roman family name of obscure origin) + -ānus. Modern English usage is derived…