語ご彙い項こう目もく

ご

い

こ

う

も

く

Meanings

1

noun

lexical item; lexical unit

linguistics

Technical term in linguistics for a word or multi-word expression treated as a single dictionary entry.

語ご彙い
語彙 means 'vocabulary' as a whole, while 語彙項目 refers to an individual entry or unit within that vocabulary.
見み出だし語ご
見出し語 is a 'headword' or 'entry word' in a dictionary; 語彙項目 is a broader linguistic concept that may include multi-word expressions.

Compound of 語彙 (vocabulary) and 項目 (item, entry). A modern technical term, likely a calque from English 'lexical item'.