<span class="searchmatch">fossōribus</span> dative/ablative plural of fossor...
fossor fossōrēs genitive fossōris fossōrum dative fossōrī <span class="searchmatch">fossōribus</span> accusative fossōrem fossōrēs ablative fossōre <span class="searchmatch">fossōribus</span> vocative fossor fossōrēs...