/ ˌhensˈfɔːθ; NAmE -ˈfɔːrθ/ (also hence·for·ward / ˌhensˈfɔːwəd; NAmE -ˈfɔːrwərd/) adverb
( formal ) starting from a particular time and at all times in the future :
Friday 31 July 1925 henceforth became known as 'Red Friday'.
/ ˌhensˈfɔːθ; NAmE -ˈfɔːrθ/ (also hence·for·ward / ˌhensˈfɔːwəd; NAmE -ˈfɔːrwərd/) adverb
( formal ) starting from a particular time and at all times in the future :
Friday 31 July 1925 henceforth became known as 'Red Friday'.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005