Chinese

Noun

階段

1. phase; stage   (Classifier: 個／个)

   年齡階段 / 年龄阶段  ―  niánlíng jiēduàn  ―  stage of (a person's) life

2. level   (Classifier: 個／个)

Japanese

Pronunciation

• On'yomi
• (Tokyo) かいだん [kàídáń] (Heiban - [0])^[1]
• IPA^(key): [ka̠idã̠ɴ]

Noun

階段 ‎(hiragana かいだん, romaji kaidan)

1. stairs, staircase
2. ladder, a series of steps to advancement to be followed in order

References

1. ↑ 1998, NHK日本語発音アクセント辞典 (NHK Japanese Pronunciation Accent Dictionary) (in Japanese), Tōkyō: NHK, ISBN 978-4-14-011112-3

Korean

Noun

階段 • ‎(gyedan) ‎(hangeul 계단)

1. Hanja form^? of 계단, “stairs, staircase, stairway; ladder”.