Zkusil
Zkusil is the masculine singular past tense form of the Czech verb zkusit, meaning to try, to test, or to taste. It is used to describe a completed action performed by a masculine subject.
Zkusit is a perfective verb. The past tense in masculine singular is formed with the ending -il,
Related forms include zkusím (I will try), zkusíš (you will try), and zkusí (he/she will try).