鐔

鐔 (Kangxi radical 167, 金+12, 20 strokes, cangjie input 金一田十 (CMWJ), four-corner 8114₆, composition ⿰釒覃)

1. dagger
2. small sword

• Kangxi Dictionary: page 1322, character 13
• Dai Kanwa Jiten: character 40893
• Dae Jaweon: page 1822, character 8
• Hanyu Da Zidian (first edition): volume 6, page 4255, character 1
• Unihan data for U+9414

Historical forms of the character 鐔
Shuowen Jiezi (compiled in Han)	Liushutong (compiled in Ming)
Small seal script	Transcribed ancient scripts

鐔

1. (historical) pommel; guard (often round and with holes)
2. (historical) dagger; small sword
3. a surname

• “鐔”, in 漢語多功能字庫 (Multi-function Chinese Character Database)‎^[1], 香港中文大學 (the Chinese University of Hong Kong), 2014–

(Hyōgai kanji)

• Go-on: じん (jin)^{←じん (zin, historical)←じむ (zimu, ancient)}
• Kan-on: しん (shin)^{←しん (sin, historical)←しむ (simu, ancient)}
• Kun: つば (tsuba, 鐔)

/tumipa/ → /tumʉpa/ → /tunba/ → /t͡suba/

First attested in the late 12th century.

Shift from tsumiha or tsumiba below.

• (Tokyo) つば [tsúꜜbà] (Atamadaka – [1])^[1]
• IPA^(key): [t͡sɨba̠]

鐔(つば) • (tsuba) 

1. the guard at the end of the grip of a sword or polearm
   • 1603, Vocabvlario da Lingoa de Iapam (Nippo Jisho) [Vocabulary of the Language of Japan] (in Portuguese), Nagasaki, page 620:
     ^[2]

     Tçuba. ツバ (鍔・鐔) 刀 (Catana)の鍔, すなわち, 刀の柄（つか）に密着している, 銅やその他の金属製の円いある種の輪.

     Tsuba - the guard of a katana; that is, a circular ring made of copper or other metal with a design stuck to the katana.

2. the brim or visor (of a hat, for example)
3. the brim of a kettle

⟨tumi₁pa⟩ → */tumʲipa/ → /t͡sumiɸa/ → /t͡sumiha/

Possibly from Old Japanese.

(Can this⁽⁺⁾ etymology be sourced?)

Usually pronounced with rendaku (連濁), as tsumiba.

鐔(つみは) or 鐔(つみば) • (tsumiha or tsumiba) 

1. (obsolete) the guard at the end of the grip of a sword or polearm
   • 938, Minamoto no Shitagō, Wamyō Ruijushō, volume 13:

     鐔　唐韻云：鐔、音尋、一音潭。［和名：都美波］

     Guard - according to the Tangyun: the sound of 鐔 (MC zim|yim|dom) has the same pronunciation as 尋 (MC zim), another being 潭 (MC dom). (Japanese name: tsumiha)

鐔 • (sim) (hangeul 심, revised sim, McCune–Reischauer sim, Yale sim)

1. dagger
2. small sword