adverb, adverb taking the 'to' particle
from afar; all the way; over a great distance
Emphasizes that someone has traveled a long distance, often with a sense of effort or purpose. Commonly used with verbs like 来る, 行く, 訪れる.
彼ははるばる北海道から訪ねてきた。
He came all the way from Hokkaido to visit.
はるばる遠くまで来た甲斐があった。
It was worth coming all this way.
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Reduplication of 遥 (はる), an old word meaning 'far' or 'distant.' The exact historical derivation is uncertain, but the form はるばる has been used since classical Japanese to emphasize great distance.