From a combination of English and translingual xanthelasma + -oidea. <span class="searchmatch">xanthelasmoidea</span> (uncountable) A disease resembling xanthelasma, which leaves yellowish...
<span class="searchmatch">xanthelasmoīdeās</span> accusative feminine plural of xanthelasmoīdeus...
Apparently a back formation from English <span class="searchmatch">xanthelasmoidea</span> (“a disease resembling xanthelasma”) for the creation of species names. (Classical Latin) IPA(key):...
or xanthelasmata) A deposit of cholesterol on the eyelid. xanthelasmic <span class="searchmatch">xanthelasmoidea</span> xanthoma New Latin: xanthelasmoideus eyelid cholesterol deposit...