Borrowed from Russian <span class="searchmatch">экотоксиколо́гия</span> (ekotoksikológija), ultimately from Ancient Greek οἶκος (oîkos, “house, household”) + τοξικός (toxikós, “poisonous”)...
<span class="searchmatch">экотоксикология</span> (ékotoksikologiä) + -лық (-lyq). From Russian экотоксикологический (ekotoksikologičeskij). экотоксикологиялық • (ékotoksikologiälyq)...