<entry id="2193784" stat="A" corpus="jmdict" type="jmdict">
<ent_corp type="jmdict">jmdict</ent_corp>
<ent_seq>1693670</ent_seq>
<k_ele>
<keb>遡行</keb>
</k_ele>
<k_ele>
<keb>溯行</keb>
<ke_inf>&rK;</ke_inf>
</k_ele>
<k_ele>
<keb>遡航</keb>
<ke_inf>&rK;</ke_inf>
</k_ele>
<k_ele>
<keb>溯航</keb>
<ke_inf>&rK;</ke_inf>
</k_ele>
<r_ele>
<reb>そこう</reb>
</r_ele>
<sense>
<pos>&n;</pos>
<pos>&vs;</pos>
<pos>&vi;</pos>
<gloss>going upstream</gloss>
<gloss>sailing against the current</gloss>
</sense>
<info>
<audit time="2022-07-03 03:40:42" stat="A" unap="true">
<upd_name>Stephen Kraus</upd_name>
<upd_email>...address hidden...</upd_email>
<upd_refs>The kokugos all seem to split the 行 and 航 forms into separate entries, but I don't see anything that really distinguishes them.

[vi]: shinmeikai, oukoku, meikyo, iwakoku

Google N-gram Corpus Counts
| 遡行　 | 67,148 | 94.5% |
| 溯行　 |  2,413 |  3.4% | &lt;- daijr/s, koj, etc.; adding
| 遡航　 |  1,465 |  2.1% |
| 溯航　 |     41 |  0.1% |
| そこう | 17,693 |  N/A  |</upd_refs>
<upd_diff>@@ -8 +8,2 @@
-&lt;keb&gt;溯航&lt;/keb&gt;
+&lt;keb&gt;溯行&lt;/keb&gt;
+&lt;ke_inf&gt;&amp;rK;&lt;/ke_inf&gt;
@@ -11,0 +13,5 @@
+&lt;ke_inf&gt;&amp;rK;&lt;/ke_inf&gt;
+&lt;/k_ele&gt;
+&lt;k_ele&gt;
+&lt;keb&gt;溯航&lt;/keb&gt;
+&lt;ke_inf&gt;&amp;rK;&lt;/ke_inf&gt;
@@ -18,0 +25 @@
+&lt;pos&gt;&amp;vi;&lt;/pos&gt;</upd_diff>
</audit>
<audit time="2022-07-03 05:19:07" stat="A">
<upd_uid>jwb</upd_uid>
<upd_name>Jim Breen</upd_name>
<upd_email>...address hidden...</upd_email>
</audit>
</info>
</entry>