This is the 5279th most frequent Polish word.
ruchem
"Ruchem" means "movement" or "motion" in English.
Refers to 'the flow or movement', specifically traffic movement.
Idąc ruchem ulicznym, szybko dotarliśmy do celu.
Following the flow of traffic, we quickly reached our destination.
Indicates 'motion', specifically the movement of a body part.
Ruch ręką był tak szybki, że nie zauważyłem, co trzyma.
The motion of the hand was so quick that I didn't notice what it held.
Denotes 'movement' in a general and emphatic sense.