ramifyverb [ I or T ]
uk/ˈræm.ɪ.faɪ//ˈræm.ɪ.faɪ/formalto spread and develop many parts or branches, or to make something do this:
An elaborate system of canals was built, leading away from the Thames and ramifying throughout the UK.
Younger branches of the family moved beyond the parish boundaries and ramified the surname widely.