insofar in so far so far to that extent to that degree
insofar%4:02:00:: in_so_far%4:02:00:: so_far%4:02:02:: to_that_extent%4:02:00:: to_that_degree%4:02:00::
to the degree or extent that
insofar as it can be ascertained, the horse lung is comparable to that of man so far as it is reasonably practical he should practice restraint