What does 一重 mean?
一重 is a Japanese noun meaning “one layer” or “single layer” in English. It can also be translated as “monopetalous”, “unlined kimono” or “single-edged eyelid” depending on context. It is written as 一重 in kanji, ひとえ in hiragana, and hitoe in romaji. This word is part of JLPT N1 vocabulary.
Example sentence
美貌は皮一重。
Beauty is but skin deep.