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<entry eid="2229179" stat="A" corpus="jmdict" type="jmdict"> <ent_corp type="jmdict">jmdict</ent_corp> <ent_seq>1263090</ent_seq> <k_ele> <keb>弦月</keb> </k_ele> <r_ele> <reb>げんげつ</reb> </r_ele> <sense> <pos>&n;</pos> <xref type="see" seq="2147030" xk="上弦の月">上弦の月</xref> <xref type="see" seq="1184860" xk="下弦の月">下弦の月</xref> <xref type="see" seq="1583170" sno="1" xk="半月">半月[1]</xref> <gloss>half-moon</gloss> </sense> <history> <audit time="2023-04-20 19:04:39" stat="A" unap="true"> <upd_name>Brian Krznarich</upd_name> <upd_email>...address hidden...</upd_email> <upd_detl>This is the first of many moon edits. Lots of apparent issues with half-moons and crescent-moons. (Note, this term on it's own is not super-common compared to 下弦　and 上弦）。 There are so many mismarked crescent-moons that I was starting to wonder if the Japanese thought 半月 included crescents... (I believe they do not) 弦月 is apparently tied up in a popular anime character which breaks the image search. try 上弦の月 and 下弦の月 instead. Here's another a site with diagrams specifically using various formulations of 弦月 https://tukihosi-tan.com/moon/2004/ https://ja.wikipedia.org/wiki/%E5%BC%A6%E6%9C%88 弦月（げんげつ）は、半月（はんげつ）の文学的な表現である Wikipedia xref for 弦月 is English "Half Moon". In moon phases: 新月（朔。0°=0） 上弦（90°=7） 満月（望。180°=14） 下弦（270°=21） 半月（弦。上弦と下弦の総称） (半月 is a generic name for the waxing and waning half-moons) nikk: either the waxing half-moon, the waning half-moon, or 弓張り月 (also a half-moon) げん‐げつ【弦月】 〘名〙 上弦または下弦の月。ゆみはりづき。彎月(わんげつ)。 Another ref, straight to 半月: https://kotobank.jp/word/%E5%BC%A6%E6%9C%88-491742 普及版 字通 「弦月」の読み・字形・画数・意味 【弦月】げんげつ 半月。 字通「弦」の項目を見る。 Since 半月 means 15 days/half-a-month, the ngrams crush this. But I get the impression that this term in particular is common when talking about lunar cycles specifically. (I am sure 半月 is readily comprehensible though, perhaps moreso). https://ja.wikipedia.org/wiki/%E5%BC%A6%E6%9C%88 英語でも、日本語での半月同様、一般的には half moon（または half-moon）というが、月相に基づく天文学用語としては quarter moon という。上弦の月は first quarter moon で、下弦の月は last quarter moon （または third quarter moon）である。 more notes on the xrefs.</upd_detl> <upd_refs>Scroll down, picture of all moon phases and associated terms https://www.arachina.com/lifestyle/moon-calendar-2022-march.htm Here is what it says: New Moon (0%): 新月、朔月 Waxing? Crecent: 三日月、眉月 Half: 上弦の月、引張り月、 2/3rds: 十三夜 Full: 満月、十五夜、望月 Waning? 2/3rds: 居待月 2/3rds: 二十三夜、下弦の月、下の弓張り、 WaningCrescent；下弦後の三日月、有明の月 The "bow" moons, 弦 and 引 invoke the image of a bow with a taught bowstring Here's a picture showing that imagery: https://weathernews.jp/s/topics/202005/260335/ Here's a reference specifically for 弦月 as "half-moon", which includes 上弦 and 下弦 as well as 弓張り月 listed as an explicit synonym. https://en.wiktionary.org/wiki/%E5%BC%A6%E6%9C%88 Appears to be a learned borrowing from Chinese 弦月 (xiányuè). First cited in a Japanese text in 1698.[1] May have been in use prior to this, considering that partial synonyms 上弦 (jōgen) and 下弦 (kagen) are attested already in the late 800s.[2][3] 弦げん月げつ • (gengetsu) ←げんげつ (gengetu)? [from 1698] half-moon Synonym: 弓張り月 (yumiharizuki)</upd_refs> <upd_diff>@@ -12 +12,6 @@ -&lt;gloss&gt;crescent moon&lt;/gloss&gt; +&lt;xref type="see" seq="2147030"&gt;上弦の月・じょうげんのつき&lt;/xref&gt; +&lt;xref type="see" seq="2147030"&gt;上弦の月・じょうげんのつき&lt;/xref&gt; +&lt;xref type="see" seq="1184860"&gt;下弦の月・かげんのつき&lt;/xref&gt; +&lt;xref type="see" seq="1184860"&gt;下弦の月・かげんのつき&lt;/xref&gt; +&lt;xref type="see" seq="1583170"&gt;半月・はんげつ・1&lt;/xref&gt; +&lt;gloss&gt;half moon&lt;/gloss&gt;</upd_diff> </audit> <audit time="2023-04-20 19:25:25" stat="A" unap="true"> <upd_name>Brian Krznarich</upd_name> <upd_email>...address hidden...</upd_email> <upd_detl>hyphen, you learn something every day...</upd_detl> <upd_diff>@@ -17 +17 @@ -&lt;gloss&gt;half moon&lt;/gloss&gt; +&lt;gloss&gt;half-moon&lt;/gloss&gt;</upd_diff> </audit> <audit time="2023-04-21 02:02:28" stat="A"> <upd_uid>jwb</upd_uid> <upd_name>Jim Breen</upd_name> <upd_email>...address hidden...</upd_email> <upd_detl>Happy to leave cresent off this one, although some JEs have it.</upd_detl> </audit> <audit time="2023-04-21 20:15:36" stat="A"> <upd_uid>robin1354</upd_uid> <upd_name>Robin Scott</upd_name> <upd_email>...address hidden...</upd_email> <upd_diff>@@ -12,3 +12,3 @@ -&lt;xref type="see" seq="2147030"&gt;上弦の月・じょうげんのつき&lt;/xref&gt; -&lt;xref type="see" seq="1184860"&gt;下弦の月・かげんのつき&lt;/xref&gt; -&lt;xref type="see" seq="1583170"&gt;半月・はんげつ・1&lt;/xref&gt; +&lt;xref type="see" seq="2147030"&gt;上弦の月&lt;/xref&gt; +&lt;xref type="see" seq="1184860"&gt;下弦の月&lt;/xref&gt; +&lt;xref type="see" seq="1583170"&gt;半月・1&lt;/xref&gt;</upd_diff> </audit> </history> </entry>