documentclass{article}

%usepackage[strict]{csquotes}
%usepackage[autostyle=true]{csquotes}
usepackage[T2A,T1]{fontenc}
usepackage[russian,main=english]{babel}

usepackage{tikz-cd}

begin{document}

begin{tikzcd}
  f arrow[d, phantom,"partial"] \
  g
end{tikzcd}

end{document}

usepackage[T1]{fontenc}
usepackage[german,main=english]{babel}

usepackage[T1]{fontenc}
usepackage[french,main=english]{babel}