Czech: čáti(archaic or dialectal; Jungmann's dictionary)
Further reading
Trubachyov, Oleg, editor (1977), “*čajati”, in Этимологический словарь славянских языков [Etymological dictionary of Slavic languages] (in Russian), numbers 04 (*čaběniti – *děľa), Moscow: Nauka, page 10
Vasmer, Max (1964–1973) “ча́ять”, in Oleg Trubachyov, transl., Этимологический словарь русского языка [Etymological Dictionary of the Russian Language] (in Russian), Moscow: Progress
References
^ Derksen, Rick (2008) “*čàjati”, in Etymological Dictionary of the Slavic Inherited Lexicon (Leiden Indo-European Etymological Dictionary Series; 4), Leiden, Boston: Brill, →ISBN, →ISSN, page 78: “v. (a)”
^ Olander, Thomas (2001) “čajati: čajǫ čajetь”, in Common Slavic Accentological Word List[1], Copenhagen: Editiones Olander: “c (SA 205, 234, 236; PR 133)”