This is the 14425th most frequent Russian word.
отсчета
"Отсчета" means "reference" or "counting point" in English.
In this context, 'отсчета' means the starting reference or benchmark for calculation.
Точка отсчета для движения была задана.
The starting point for the movement was set.
Here, 'отсчет' refers to the act of counting time.
Пожалуйста, начните отсчет времени.
Please, start the time count.
Here, 'отсчета' refers to the method or system of computation.