岡

岡 (Kangxi radical 46, 山+5, 8 strokes, cangjie input 月廿山 (BTU), four-corner 7722₀, composition ⿵𦉰山)

• 剛(刚), 鋼(钢), 崗(岗), 罁, 綱(纲), 㟠, 𢜟, 掆(㧏), 𣷣, 焵, 棡(㭎), 犅, 碙, 堈

• 冈 (Simplified Chinese)

• KangXi: page 308, character 39
• Dai Kanwa Jiten: character 7962
• Dae Jaweon: page 608, character 25
• Hanyu Da Zidian (first edition): volume 1, page 100, character 14
• Unihan data for U+5CA1

Phono-semantic compound (形聲, OC *klaːŋ) : phonetic 网 (OC *mlaŋʔ) + semantic 山 (“mountain”).

From Proto-Sino-Tibetan *s-gaŋ (“hill, ridge, mountain”) (STEDT, Schuessler, 2007), cognate with Tibetan སྒང་ (sgang, “ridge; mound”), Burmese ခင် (hkang, “ridge”), Burmese အခေါင် (a.hkaung, “summit”), Lahu qhɔ³³ (“mountain”), Sulung gɹaŋ³³ (“mountain”), Proto-Tamangic *ᴬgaŋ ("hill, mountain").

STEDT also proposes cognacy with 京 (OC *kraŋ, “artificial mound, capital”) and 鯨 (OC *ɡraŋ, “whale”).

岡

1. ridge or crest of a mountain
2. mountain; hill

(grade 4 “Kyōiku” kanji)

1. hill

• Go-on: こう (kō)^{←かう (kau, historical)}
• Kan-on: こう (kō)^{←かう (kau, historical)}
• Kun: おか (oka, 岡, Jōyō ^†)^{←をか (woka, 岡, historical)}

• 崗

From Middle Chinese 岡 (MC kɑŋ). Recorded as Middle Korean 崗/가ᇰ (kang) (Yale: kang) in Hunmong Jahoe (訓蒙字會 / 훈몽자회), 1527.

Wikisource 岡 (eumhun 산등성이 강 (sandeungseong'i gang))

1. Hanja form^? of 강 (“hill”).

• 국제퇴계학회 대구경북지부 (國際退溪學會 大邱慶北支部) (2007). Digital Hanja Dictionary, 전자사전／電子字典.
• Supreme Court of the Republic of Korea (대한민국 대법원, Daehanmin'guk Daebeobwon) (2018). Table of hanja for personal names (인명용 한자표 / 人名用漢字表, Inmyeong-yong hanja-pyo), page 1.

岡: Hán Nôm readings: cương

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