Rubuta ci gaba don wannan sakin layi - Masu ɗaukar wannan al'adun Arewacin ƙarfe na ƙarfe sun kasance masu iya magana da yaren Jamusanci. Ba a san matakin ci gaban wannan Jamusanci ba, kodayake an ba da shawarar Proto-Germanic. A ƙarshen wannan lokacin ana ganin farkon Lokacin Hijira, wanda ya fara da mamayewar Teutons da Cimbri har zuwa shan kashi a Yaƙin Aquae Sextiae
a cikin 102 BC, wanda ya nuna zamanin ƙarfe na Roman da kuma lokacin ƙaura.