\documentclass{article}
\usepackage[T1]{fontenc}
\usepackage[latin1]{inputenc}
\usepackage[portuguese]{babel}
\usepackage[xindy]{glossaries}
\makeglossaries
\newglossaryentry{tomorrow}{name={amanh�},description={tomorrow}}
\begin{document}
\gls{tomorrow}
\printglossary
\end{document}
