<?xml version="1.0" encoding="US-ASCII"?>
<!-- Generated by Broadridge Transform (tm) - http://www.broadridge.com -->
<!-- Created: Wed Aug 26 18:37:35 UTC 2026 -->
<linkbase xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:xbrldt="http://xbrl.org/2005/xbrldt">
  <roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#SeriesOnly" roleURI="http://xbrl.sec.gov/oef/role/SeriesOnly"/>
  <arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default" arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default"/>
  <arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain" arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain"/>
  <arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension" arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension"/>
  <arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member" arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member"/>
  <arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all" arcroleURI="http://xbrl.org/int/dim/arcrole/all"/>
  <definitionLink xlink:role="http://xbrl.sec.gov/oef/role/SeriesOnly" xlink:type="extended">
    <loc xlink:type="locator" xlink:label="dei_EntityDomain" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:label="evtmgf_S000005304Member" xlink:href="evtmgf-20251231.xsd#evtmgf_S000005304Member"/>
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="evtmgf_S000005304Member" order="11" xbrldt:closed="true"/>
    <loc xlink:type="locator" xlink:label="evtmgf_S000005293Member" xlink:href="evtmgf-20251231.xsd#evtmgf_S000005293Member"/>
<!-- [WMV7][PsAvxjQUojsdUXUuTZoyPIjTbk/CH8O0l0vR5R3rysbYegGyRaSNYmgU9I5xqnYWN993jI0zQtsSkyMs8oe7h+tAwt3MJNZ+6e2Z0hGu02ymNvUvnzbqBunGB1V4cx7rhPBxN4r50BM7K2q3QJkCoREIwY7sQSaqsk/X3qYtqtb18qAGCBFo+5low5603fSnFG76U3CpRL+mYY0KK4aXf1whK9usF1SnNklhA2u0HLI2sHcLtTzMwaLQ4Citf5bnoqwy9yp/dHUQgufimRAxDBke9sl3Rq+MOnvurKz5GEgnQF/ZoSVt3zNg7VzHUdjtrjnj8UPyoB1DfJKgnqjNkAu95vTKOUTtjoGuH6+CfCTyx7+DDN+wMqN5jYp0rrO7OoPaKT8P9e5QNhHf] CSR-->
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="evtmgf_S000005293Member" order="12" xbrldt:closed="true"/>
  </definitionLink>
</linkbase>
