the world > existence and causation > causation > source or origin > [preposition] > from a place or perspective (2)
With an adverb in place of a noun-object. (Cf. from, prep. 15) fro ðan ðat: from the time that. froforth: ? = from this time forth. Obsolete.
Indicating a place or position where action or motion is originated which extends beyond that place, while the originator remains fixed there…