<span class="searchmatch">onstealde</span> inflection of onstellan: first/third-person preterite singular preterite subjunctive singular...
first person singular onstelle <span class="searchmatch">onstealde</span> second person singular onstelest onstealdest third person singular onsteleþ <span class="searchmatch">onstealde</span> plural onstellaþ onstealdon...