cross-index
cross–in·dex
verb \ˈkrȯs-ˈin-ˌdeks\Definition of CROSS-INDEX
transitive verb
1
: to index (an item) under a second or under more than one heading
2
: to supply (as a book) with a cross-referenced index
— cross–index noun
First Known Use of CROSS-INDEX
1892
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