Meaning and Etymologie of the word "deutsch"

Deutsch in pronounce of russian equal ( НЕМцы,НЕМецкий ) conteins the letter ( НЕМ ) which is equal with polish words ( NIEM ) --- means people , who could not talk with ( russian or polish or czech ) languadge... so the human who can only lesson and could not talk --- equal  via russian or polish ( НЕМой, НЕМая, или НЕМЕЦ )