From sub- + endometrial. <span class="searchmatch">subendometrial</span> (not comparable) Beneath the endometrium...
to the endometrium, the lining of the uterus [[:<span class="searchmatch">subendometrial</span> myoendometrial#English|<span class="searchmatch">subendometrial</span> myoendometrial]] of or pertaining to the endometrium...