澪

澪 (Kangxi radical 85, 水+13, 16 strokes, cangjie input 水一月戈 (EMBI) or 難水一月戈 (XEMBI), four-corner 3113₇, composition ⿰氵零)

• Kangxi Dictionary: page 653, character 11
• Dai Kanwa Jiten: character 18398
• Dae Jaweon: page 1063, character 11
• Hanyu Da Zidian (first edition): volume 3, page 1754, character 12
• Unihan data for U+6FAA

澪

1. The name of a body of water.
2. alternative form of 泠 (líng)

• Dictionary of Chinese Character Variants (教育部異體字字典), C06468

(Jinmeiyō kanji)

• Go-on: りょう (ryō)^{←りやう (ryau, historical)}
• Kan-on: れい (rei)
• Tō-on: りん (rin)
• Kun: みお (mio, 澪)^{←みを (miwo, 澪, historical)}
• Nanori: み (mi)、みほ (miho)、みよ (miyo)、り (ri)、れ (re)

⟨mi₁ wo⟩ → */mʲiwo/ → /miwo/ → /mio/

From Old Japanese.

Derived as a compound of 水 (mi, ancient combining form of 水 (mizu), “water”) +‎ 緒 (wo → o, “cord; something long and continuing”, likely cognate with 尾 (o, “tail”) from the sense of “something long and continuing from the end of the main body”).^[1]

• (Tokyo) みお [mìó] (Heiban – [0])^[2][3]
• (Tokyo) みお [míꜜò] (Atamadaka – [1])^[2][3]
• IPA^(key): [mʲio̞]

澪(みお) • (mio) ^{←みを (miwo)?}

1. a waterway, more specifically, a navigable channel
   • 905, Kokin Wakashū (book 17, poem 882)

     天(あま)の河(かは)雲(くも)のみをにてはやければ光(ひかり)とどめず月(つき)ぞ流(なが)るる

     ama no kawa kumo no mio ni te hayakereba hikari todomezu tsuki zo nagaruru

     (please add an English translation of this example)

2. a wake (path left behind by a passing ship on the water's surface)

   Synonym: 航跡 (kōseki)

澪(みお) • (Mio) ^{←みを (Miwo)?}

1. a female given name

From Middle Chinese 澪 (MC leng).

• IPA^(key): [ɾe̞ː]

澪(れい) • (rei) 

1. waterway, channel

• 澪(れい)標(ひょう) (reihyō, “channel-mark”)
• 作(さく)澪(れい) (sakurei)

澪(れい) • (Rei) 

1. a female given name

• 水尾

Originally a compound of 水 (mi₁, ancient combining form of 水 (mi₁du), “water”) +‎ 緒 (wo, “cord; something long and continuing”, likely cognate with 尾 (wo, “tail”) from the sense of “something long and continuing from the end of the main body”).^[1]

澪 (mi₁wo) (kana みを)

1. a waterway, more specifically, a navigable channel
   • c. 759, Man’yōshū, book 12, poem 3014:
     , here

     神山之山下響逝水之水尾不絶者後毛吾妻

     Miwa-yama no₂ yamasita to₂yo₂mi₁ yuku kapami₁du no₂ mi₁wo tayezu pa no₂ti mo waga tuma

     (please add an English translation of this usage example)

• 澪標 (mi₁wotukusi)

• Japanese: 澪, 水尾, 水脈 (mio)