This is the 17144th most frequent Russian word.
стартово
"Стартово" means "initially" or "at the start."
Here, 'стартово' is used adverbially to mean 'initially' or 'at the start', explaining the phase of preparation.
Стартово, мы должны подготовить оборудование.
Initially, we need to prepare the equipment.
In this context, 'стартовом' is an adjective modifying the noun 'этапе', indicating the 'starting stage' of the process.
На стартовом этапе обучение включает основы.
At the starting stage, the training includes basics.
Here, 'стартовый' is an adjective describing 'капитал', specifying it as the 'starting' or 'initial' capital.