<entry id="2284152" stat="A" corpus="jmdict" type="jmdict">
<ent_corp type="jmdict">jmdict</ent_corp>
<ent_seq>2176770</ent_seq>
<k_ele>
<keb>上合</keb>
</k_ele>
<r_ele>
<reb>じょうごう</reb>
</r_ele>
<sense>
<pos>&n;</pos>
<xref type="see" seq="2176750">外合</xref>
<field>&astron;</field>
<gloss>superior conjunction</gloss>
</sense>
<info>
<audit time="2007-05-30 00:00:00" stat="A">
<upd_detl>Entry created</upd_detl>
</audit>
<audit time="2023-11-22 19:31:13" stat="A" unap="true">
<upd_uid>stephen</upd_uid>
<upd_name>Stephen Kraus</upd_name>
<upd_email>...address hidden...</upd_email>
<upd_refs>Not sure that this is rare or even obsolete. JA wiki's article for 外合 doesn't mention 上合, though.

daijisen and koj just redirect to 外合.

Google N-gram Corpus Counts
╭─ーー─┬─────╮
│ 外合 │ 999 │
│ 上合 │ 573 │
╰─ーー─┴─────╯</upd_refs>
<upd_diff>@@ -13 +13 @@
-&lt;misc&gt;&amp;rare;&lt;/misc&gt;
+&lt;field&gt;&amp;astron;&lt;/field&gt;</upd_diff>
</audit>
<audit time="2023-11-23 00:39:03" stat="A">
<upd_uid>jwb</upd_uid>
<upd_name>Jim Breen</upd_name>
<upd_email>...address hidden...</upd_email>
</audit>
</info>
</entry>