There is no cinnamon-translations package in portage tree. It is necessary to have other language support than english.
good point, we need to add it, and have cinnamon pull it in (maybe when a USE flag is set).
Thanks for reporting, now in portage. +*cinnamon-translations-2.2.2 (16 May 2014) + + 16 May 2014; Alexandre Rostovtsev <tetromino@gentoo.org> + +cinnamon-translations-2.2.2.ebuild, +metadata.xml: + New package providing all translations for Cinnamon-2.2, Nemo etc. (bug + #510416, thanks to Marcin Sochoń (soki)). + 16 May 2014; Alexandre Rostovtsev <tetromino@gentoo.org> nemo-2.2.1.ebuild, + metadata.xml: + Pull in cinnamon-translations for localization support +*cinnamon-2.2.9 (16 May 2014) + + 16 May 2014; Alexandre Rostovtsev <tetromino@gentoo.org> + cinnamon-2.2.6.ebuild, +cinnamon-2.2.9.ebuild, metadata.xml: + Version bump with fixes for crashes and UI glitches. Add + cinnamon-translations and gksu dependencies.