This is the 12973rd most frequent Turkish word.
kalkıştı
"Attempted" or "tried to start."
Here, 'kalkıştı' conveys the meaning of attempting something, particularly with an undertone of an ill-intended action.
Adam eski dostuna karşı yalan söylemeye kalkıştı.
The man attempted to lie to his old friend.
In this example, 'kalkıştı' indicates initiating an effort for a demanding task.
Kadın, çocukları için zor bir işte çalışmaya kalkıştı.
The woman attempted to undertake a challenging job for her children.
This usage of 'kalkıştı' refers to a bold action or intention against an opposition.