noun
lexicography; dictionary editing
Refers to the practice or process of compiling, editing, or revising dictionaries.
彼は辞書編集の専門家です。
He is an expert in lexicography.
辞書編集には膨大な時間がかかる。
Dictionary editing takes an enormous amount of time.
Similar meaning, but 辞典 often implies a reference work with encyclopedic content, while 辞書 is more strictly a language dictionary.
Compound of 辞書 (dictionary) and 編集 (editing, compilation). The exact historical derivation is straightforward; no further etymology is needed.