During the Pre-Germanic linguistic period (2500–500 BCE), the proto-language has almost certainly been influenced by linguistic substrates still noticeable in the Germanic phonology and lexicon.
Salami galah linguistic Pra-Jerman (2500-500 M), basa proto taler kaiusin olih substrat linguistik sane kantun kapanggihang ring fonologi miwah leksikon Jerman.