This is the 597th most frequent Marathi word.
कसब
Skill or expertise.
In this sentence, 'कसब' refers to one's skill or talent.
त्याच्या कसबामुळे तो स्वतःच्या पायावर उभा राहिला.
Due to his skill, he stood on his own feet.
Here, 'कसब' denotes proficiency or ability in a specific act, namely speaking.
तिच्या बोलण्याच्या कसबाने सर्वजण प्रभावित झाले.
Everyone was impressed by her speaking skill.
In this context, 'कसब' generically means skill or expertise, emphasized as a vital trait to be paired with effort.