잠

잠 U+C7A0, 잠 HANGUL SYLLABLE JAM Composition: ㅈ + ㅏ + ㅁ ← 잟 [U+C79F] Hangul Syllables 잡 → [U+C7A1]

자작잒잓잔잕잖 잗잘잙잚잛잜잝 잞잟잠잡잢잣잤 장잦잧잨잩잪잫
이 ←	→ 재

Korean

Pronunciation

• (SK Standard/Seoul) IPA^(key): [t͡ɕa̠m]
• Phonetic hangul: [잠]

Romanizations
Revised Romanization?	jam
Revised Romanization (translit.)?	jam
McCune–Reischauer?	cham
Yale Romanization?	cam

Etymology 1

First attested in the Neung'eomgyeong eonhae (楞嚴經諺解 / 능엄경언해), 1461, as Middle Korean ᄌᆞᆷ (Yale: com). Substantive form of 자— (ja-, “to sleep”), formed with the suffix —ㅁ (-m).

Noun

잠 • (jam)

1. sleep; nap

Derived terms

• 낮잠 (natjam, “midday nap”)
• 선잠 (seonjam, “light sleep, catnap”)

Related terms

• 자다 (jada, “to sleep”)
• 졸다 (jolda, “to doze off”)

Etymology 2

Korean reading of various Chinese characters.

Syllable

잠 (jam)

1. 潛:

   (MC reading: 潛 (MC dzjem|dzjemH))

2. 暫:

   (MC reading: 暫 (MC dzamH))

3. 箴:

   (MC reading: 箴 (MC tsyim))

4. 岑:

   (MC reading: 岑 (MC dzrim))

5. 簪:

   (MC reading: 簪 (MC tsrim|tsom))

6. 蠶:

   (MC reading: 蠶 (MC dzom))

7. 涔:

   (MC reading: 涔 (MC dzrim))

8. 潜: Alternative form of 潛

   (MC reading: 潜)

9. 啿:

   (MC reading: 啿)

10. 喒:

    (MC reading: 喒)

11. 蚕: Alternative form of 蠶

    (MC reading: 蚕 (MC thenX))

References

• 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). [1]