Bit of a tangent, but I enjoy the fact that &quot;yeah&quot; predates &quot;yes&quot;. The latter is derived from the former (which is obviously cognate to German &quot;ja&quot;, etc.)<p>Source: <a href="https:&#x2F;&#x2F;en.wiktionary.org&#x2F;wiki&#x2F;yes#Etymology" rel="nofollow">https:&#x2F;&#x2F;en.wiktionary.org&#x2F;wiki&#x2F;yes#Etymology</a>
<a href="https:&#x2F;&#x2F;en.wiktionary.org&#x2F;wiki&#x2F;yeah#Etymology" rel="nofollow">https:&#x2F;&#x2F;en.wiktionary.org&#x2F;wiki&#x2F;yeah#Etymology</a><p>tl;dr &quot;Yeah&quot; is the modern version of Old English &quot;ġēa&quot; which also means &quot;so&quot;. &quot;Yes&quot; is a contraction of &quot;ġēa sī&quot;, or something like &quot;let it be so&quot;.