次元

Noun

 * 1)  dimension (especially in science fiction, fantasy)

Etymology
Appeared in 数学ニ用ヰル辞ノ英和対訳字書 (Sūgaku ni Mochiiru Ji no Ei-Wa Taiyaku Jisho, “Vocabulary of mathematical terms in English and Japanese”) of 1889 as a translation of 🇨🇬.

Noun

 * 1) a dimension