Bildiğim kadarıyla böyle bir sözcük yok.
- So far as I know, there is no such word.
Bildiği kadarıyla işler yolunda gidiyordu.
- So far as he was concerned, things were going well.
insofar as (or that), to the extent that, to such an extent.
... very chimneys unfold as far as the eye can see ...
... As far as we know, no Chinese trader ever met a Roman. ...