cognate
Pronunciation: /ˈkɒgneɪt/
adjective
- 1 Linguistics (of a word) having the same linguistic derivation as another (e.g. English father, German Vater, Latin pater): the term is obviously cognate with the Malay segan
- 2 formal related; connected: cognate subjects such as physics and chemistry
- related to or descended from a common ancestor. Compare with agnate.

Origin:
early 17th century: from Latin cognatus, from co- 'together with' + natus 'born'