<entry id="2209529" stat="A" corpus="jmdict" type="jmdict">
<ent_corp type="jmdict">jmdict</ent_corp>
<ent_seq>1588770</ent_seq>
<k_ele>
<keb>延々</keb>
<ke_pri>news2</ke_pri>
<ke_pri>nf31</ke_pri>
<ke_pri>spec1</ke_pri>
</k_ele>
<k_ele>
<keb>延延</keb>
</k_ele>
<k_ele>
<keb>蜿蜒</keb>
<ke_inf>&rK;</ke_inf>
</k_ele>
<k_ele>
<keb>蜿蜿</keb>
<ke_inf>&rK;</ke_inf>
</k_ele>
<k_ele>
<keb>蜿々</keb>
<ke_inf>&sK;</ke_inf>
</k_ele>
<k_ele>
<keb>蜒々</keb>
<ke_inf>&sK;</ke_inf>
</k_ele>
<r_ele>
<reb>えんえん</reb>
<re_pri>news2</re_pri>
<re_pri>nf31</re_pri>
<re_pri>spec1</re_pri>
</r_ele>
<sense>
<stagk>延々</stagk>
<stagk>延延</stagk>
<pos>&adv-to;</pos>
<pos>&adj-t;</pos>
<gloss>endlessly</gloss>
<gloss>continuously</gloss>
<gloss>(going) on and on</gloss>
</sense>
<sense>
<pos>&adj-t;</pos>
<pos>&adv-to;</pos>
<gloss>meandering</gloss>
<gloss>winding</gloss>
<gloss>sinuous</gloss>
<gloss>serpentine</gloss>
</sense>
<info>
<audit time="2022-09-23 01:11:31" stat="A" unap="true">
<upd_name>Stephen Kraus</upd_name>
<upd_email>...address hidden...</upd_email>
<upd_refs>It looks like this needs to be split.
GG5 is my only reference which merges these forms.
Going by the kokugos, it looks like 延延 applies strictly to our sense [1] and 蜿蜒 is sense [2].

蜿蜿 and 蜒蜒 (distinct from 蜿蜒) are both mentioned in meikyo and iwanami.

Google N-gram Corpus Counts
╭─ーーーー─┬─────────┬───────╮
│ 延々　　 │ 351,921 │ 83.5% │
│ 延延　　 │   2,099 │  0.5% │
│ 蜿蜒　　 │   1,573 │  0.4% │
│ 蜿々　　 │     131 │  0.0% │
│ 蜿蜿　　 │     157 │  0.0% │
│ 蜒々　　 │      88 │  0.0% │ 🡠 not currently in JMdict
│ 蜒蜒　　 │       0 │  0.0% │ 🡠 not currently in JMdict
│ えんえん │  65,743 │ 15.6% │
╰─ーーーー─┴─────────┴───────╯</upd_refs>
</audit>
<audit time="2022-09-23 19:43:31" stat="A">
<upd_uid>robin1354</upd_uid>
<upd_name>Robin Scott</upd_name>
<upd_email>...address hidden...</upd_email>
<upd_detl>Despite what the kokugos day, 延々 is also used for sense 2 (and is much more common than 蜿蜒).</upd_detl>
<upd_refs>Tanaka sentence: アマゾン川は延々と北ブラジルを流れている。 The Amazon River meanders through northern Brazil.
延々と流れ	5309
蜿蜒と流れ	0
えんえんと流れ	195
---
延々と連なる	1059
蜿蜒と連なる	0
えんえんと連なる	31
---
延々長蛇	        315
蜿蜒長蛇	        40
えんえん長蛇	21</upd_refs>
<upd_diff>@@ -14,0 +15 @@
+&lt;ke_inf&gt;&amp;rK;&lt;/ke_inf&gt;
@@ -17,0 +19 @@
+&lt;ke_inf&gt;&amp;rK;&lt;/ke_inf&gt;
@@ -20,0 +23,5 @@
+&lt;ke_inf&gt;&amp;sK;&lt;/ke_inf&gt;
+&lt;/k_ele&gt;
+&lt;k_ele&gt;
+&lt;keb&gt;蜒々&lt;/keb&gt;
+&lt;ke_inf&gt;&amp;sK;&lt;/ke_inf&gt;
@@ -28,0 +36,3 @@
+&lt;stagk&gt;延々&lt;/stagk&gt;
+&lt;stagk&gt;延延&lt;/stagk&gt;
+&lt;pos&gt;&amp;adv-to;&lt;/pos&gt;
@@ -30,2 +39,0 @@
-&lt;pos&gt;&amp;adv-to;&lt;/pos&gt;
-&lt;gloss&gt;forever&lt;/gloss&gt;
@@ -33 +41,2 @@
-&lt;gloss&gt;on and on&lt;/gloss&gt;
+&lt;gloss&gt;continuously&lt;/gloss&gt;
+&lt;gloss&gt;(going) on and on&lt;/gloss&gt;
@@ -39 +47,0 @@
-&lt;gloss&gt;wandering&lt;/gloss&gt;
@@ -43 +50,0 @@
-&lt;gloss&gt;zigzagging&lt;/gloss&gt;</upd_diff>
</audit>
</info>
</entry>