English language and sometimes also vocabulary, grammar and spelling—English-speakers from around the world are able to communicate with one another with relative ease. English is an Indo-European language and belongs to the West Germanic group of the Germanic languages. Old English originated from a Germanic tribal and linguistic continuum along the Frisian North Sea coast, whose languages gradually evolved into the Anglic languages on the British Isles, and into the Frisian languages and Low German/Low Saxon on the continent. The Frisian languages, together with which the Anglic languages form the Anglo-Frisian languages, are the closest living relatives of English. Low German/Low Saxon
Proto-Germanic language of Proto-Indo-European and its gradual divergence into a separate language. As it is probable that the development of this sound shift spanned a considerable time (several centuries), Proto-Germanic cannot adequately be reconstructed as a simple node in a tree model but rather represents a phase of development that may span close to a thousand years. The end of the Common Germanic period is reached with the beginning of the Migration Period in the fourth century. The alternative term "Germanic parent language" may be used to include a larger scope of linguistic developments, spanning the Nordic Bronze Age and Pre-Roman Iron