z. şimdiye kadar, şimdiye dek

listen to the pronunciation of z. şimdiye kadar, şimdiye dek
Турецкий язык - Английский Язык
hitherto
Up to this or that time

The Wright Brothers flew the first successful manned, powered and controlled aircraft in 1903, a feat which hitherto had not been accomplished, except by Santos-Dumont.

used in negative statement to describe a situation that has existed up to this point or up to the present time; "So far he hasn't called"; "the sun isn't up yet"
{a} to this time, till now, heretofore
until now, thus far
Up to this time; as yet; until now
To this place; to a prescribed limit
You use hitherto to indicate that something was true up until the time you are talking about, although it may no longer be the case. The polytechnics have hitherto been at an unfair disadvantage in competing for pupils and money. up to this time