What does 語彙 mean?
語彙 is a Japanese noun meaning “vocabulary, glossary” in English. It is written as 語彙 in kanji, ごい in hiragana, and goi in romaji. This word is part of JLPT N1 vocabulary.
Example sentence
読書は語彙を増やすのに役に立つ。
Reading helps you build up your vocabulary.