丸太

Japanese

マルタ (魚) on Japanese Wikipedia

Compound of 丸 (maru, “circle; round”) +‎ 太 (ta, “fat”, here possibly emphasizing the roundness).^[1]^[2]

First cited to a text from 1633.^[1]

丸(まる)太(た) or 丸太(マルタ) or 丸太(まろた) • (maruta or marota)

[from 1633] a log: unsawn lumber (UK) or timber (US), a section of a tree cut to a length and with the bark removed, but otherwise round and unfinished
Synonyms: 丸木 (maruki), 丸太ん棒 (marutanbō)
[from 1697] synonym of 似鯉 (nigoi, “Hemibarbus barbus”)
[from ???] the Pacific redfin, Pseudaspius brandtii
Synonym: 丸太石斑魚 (maruta ugui)
[from circa 1687] (historical, slang) during the Edo period, derogatory term for an unlicensed prostitute dressed as a Buddhist nun as a form of disguise from the authorities (from the way the shaven head looks a bit like a debarked log, and from the way that they both roll around)
Synonyms: see Thesaurus:娼婦
[from 1937] (historical) human test subjects of Unit 731

丸太小屋(まるたごや) (maruta-goya): a log cabin
丸太(まるた)ん棒(ぼう) (marutanbō): a log (more casual)
丸太魚(まるたうお) (maruta uo): a maruta fish: a ニゴイ (nigoi)
丸太式舞台(まるたしきぶたい) (maruta-shiki butai): a log-style (theater) stage, made of hewn logs
丸太舟(まるたぶね) (marutabune): a kind of boat made of logs and used mainly on Lake Biwa from the medieval period
丸太洗(まるたあら)い (marutārai): logs used to shore up the bottom of a reservoir pond or sewer outlet

丸太(まるた)に糠釘(ぬかくぎ) (maruta ni nukakugi): “a tack into a log” → a metaphor for one's intentions or feelings not getting through to another person, much as a tack will not go through a log

↑ ^1.0 ^1.1 Shōgaku Tosho (1988), 国語大辞典（新装版） [Unabridged Dictionary of Japanese (Revised Edition)] (in Japanese), Tōkyō: Shogakukan, →ISBN
^ Matsumura, Akira, editor (1995), 大辞泉 [Daijisen] (in Japanese), First edition, Tokyo: Shogakukan, →ISBN
^ Matsumura, Akira, editor (2006), 大辞林 [Daijirin] (in Japanese), Third edition, Tokyo: Sanseidō, →ISBN
^ Kindaichi, Kyōsuke et al., editors (1997), 新明解国語辞典 [Shin Meikai Kokugo Jiten] (in Japanese), Fifth edition, Tokyo: Sanseidō, →ISBN
^ NHK Broadcasting Culture Research Institute, editor (1998), NHK日本語発音アクセント辞典 [NHK Japanese Pronunciation Accent Dictionary] (in Japanese), Tokyo: NHK Publishing, Inc., →ISBN

“丸太”, in 漢字ぺディア [Kanjipedia]‎^[1] (in Japanese), The Japan Kanji Aptitude Testing Foundation, 2015–2026