This is the 12355th most frequent Polish word.
motorem
"Motorem" is the instrumental case of "motor," meaning "by/with a motor" or "engine."
In this sentence, 'motorem' refers to an engine or a mechanism that powers a machine or vehicle.
Samochód napędzany jest silnym motorem.
The car is powered by a strong engine.
Here, 'motorem' is used metaphorically to represent something that drives or initiates progress or development.
Zmiana technologii była motorem rozwoju firmy.
The change in technology was the driving force behind the company's growth.
In this phrase, 'motorem' is short for 'motorcycle', indicating the mode of transportation.