研

研 U+7814, 研 CJK UNIFIED IDEOGRAPH-7814 ← 砓 [U+7813] CJK Unified Ideographs 砕 → [U+7815]

Stroke order

Traditional	研
Simplified	研
Japanese	研
Korean	硏

研 (Kangxi radical 112, 石+4, 9 strokes, cangjie input 一口一廿 (MRMT), four-corner 1164₀, composition ⿰石开)

• 揅, 䊙, 𨨵, 𭱍, 𬪮

• 硏 (Original form of 研)

• Kangxi Dictionary: not present, would follow page 828, character 24
• Dai Kanwa Jiten: character 24080
• Dae Jaweon: page 1243, character 3
• Hanyu Da Zidian (first edition): volume 4, page 2418, character 14
• Unihan data for U+7814

simp. and trad.		研
alternative forms		硏 揅

Phono-semantic compound (形聲／形声, OC *ŋɡeːn, *ŋeːns) : semantic 石 + phonetic 幵 (OC *kŋeːn).

研

1. to grind; to rub; to sharpen
2. to investigate; to study; to research

   Synonym: 究 (jiū)

3. Short for 研究生 (yánjiūshēng, “postgraduate studies or student”).

For pronunciation and definitions of 研 – see 硯 (“inkstone”). (This character is a variant form of 硯).

Shinjitai	研
Kyūjitai	硏

(Third grade kyōiku kanji, shinjitai kanji, kyūjitai form 硏)

1. to polish

   Synonym: 磨

2. study of ...
3. to sharpen
4. inkstone

   Synonym: 硯

5. a surname

From Middle Chinese 研 (MC ngen); compare Mandarin 研 (yán):

• Go-on: げん (gen)
• Kan-on: げん (gen)
• Kan’yō-on: けん (ken, Jōyō)

From Middle Chinese 研 (MC ngenH); compare Mandarin 研 (yàn):

• Go-on: げん (gen)
• Kan-on: げん (gen)
• Kan’yō-on: けん (ken, Jōyō)

From native Japanese roots:

• Kun: とぐ (togu, 研ぐ, Jōyō)、する (suru, 研る)、みがく (migaku, 研く)
• Nanori: あき (aki)、かず (kazu)、きし (kishi)、きよ (kiyo)、よし (yoshi)

研 (eumhun 갈 연 (gal yeon))

1. Alternative form of 硏 (“hanja form^? of 연 (“grinding”)”)

研: Hán Việt readings: nghiên^[1], nghiễn^[2]
研: Nôm readings: nghiên^[1], nghiền^[3], nghiện^[3], tên^[4]

1. chữ Hán form of nghiên (“to study, to research”).
2. Nôm form of nghiền (“to grind”).

• Thiều Chửu : Hán Việt Tự Điển Hà Nội 1942
• Vũ Văn Kính: Đại Tự Điển Chữ Nôm, NXB Văn Nghệ, Ho Chi Minh Ville, 1999