3. During the 19th century, two centuries after Sir William insight. Study of the languages (philosogy) came into use to describe that common ancestor The original form. Indian sub- continent. Europe.
4. German English Dutch Danish Swedish Norwegian Etc. Gaelic Irish Welsh Etc. (Latin) Italian, Spanish French Portuguese Romanian ETC. (Ancient Greek) Greek Latvian Lithuanian Russian Polish Czech Bulgarian, Etc. (Sanskrit) Hindi Bengali Etc. Persian
7. (Close to 1 billion of native speakers) (About 350 million. This language is used in different parts of the world.) (300 million of native speakers) (200 million) About 150 million each.
8.
9. Are cognates of Mutter Vater Freund English and modern German probably have a common ancestor.