noun
cumulative indexing
Technical computing term for building an index that accumulates entries over time, often used in information retrieval and database contexts.
この検索エンジンは累積索引付けを採用している。
This search engine uses cumulative indexing.
Compound of 累積 (cumulative) + 索引 (index) + 付け (attaching, adding). The exact historical derivation is uncertain; the term is a modern technical coinage.