This is the 12909th most frequent Russian word.
лепту
A small contribution or input.
Here, 'лепту' is used to mean 'contribution' or 'share' in the context of adding something valuable to a collective effort.
Она внесла свою лепту в общее дело.
She contributed her share to the common cause.
In this sentence, 'лепту' signifies the individual effort required for a collaborative task.
Каждый должен внести свою лепту в решение проблемы.
Everyone needs to contribute their share to solve the problem.
The usage of 'лепту' here emphasizes frequent and active contributions toward achieving a goal.