<span class="searchmatch">fossilisât</span> third-person singular imperfect subjunctive of fossiliser...
liz/ imperfect2 fossilisasse /fɔ.si.li.zas/ fossilisasses /fɔ.si.li.zas/ <span class="searchmatch">fossilisât</span> /fɔ.si.li.za/ fossilisassions /fɔ.si.li.za.sjɔ̃/ fossilisassiez /fɔ.si...