This is the 5783rd most frequent Russian word.
проходил
"Проходил" - "passed" or "went through" (past tense of "to pass" or "to go through").
Indicates the action of moving past or alongside a location.
Я проходил мимо парка каждый день.
I passed by the park every day.
Refers to completing or attending a course or educational program.
Он проходил курс по программированию в прошлом году.
He took a programming course last year.
Describes the action of light traveling through an object or medium.