This is the 2561st most frequent Korean word.
배로
"배로" means "by ship" or "by boat."
The word '배로' here indicates the mode of transport, 'by ship'.
이 길은 배로 떠나는 길이에요.
This route is for traveling by ship.
The word '배로' is used to denote 'times' or 'multifold', indicating multiplication in comparison.
수학 시간에 그는 내가 푸는 속도의 배로 문제를 풀었어요.
During math class, he solved problems at twice the speed I did.
In this case, '배로' expresses 'times the quantity', referring to the multiplication of the original amount.