noun, adverb
Formal or literary term for things happening one after another. Often used in written language or official contexts.
累次の会議でその問題が話し合われた。
The issue was discussed at successive meetings.
累次にわたる調査の結果、原因が判明した。
As a result of repeated investigations, the cause was identified.
Compound of 累 (accumulate, successive) and 次 (next, order). The exact historical derivation is uncertain, but the word follows a common Sino-Japanese pattern for formal terms.