<span class="searchmatch">tmēsibus</span> dative/ablative plural of tmēsis...
nominative tmēsis tmēsēs genitive tmēsis tmēsium dative tmēsī <span class="searchmatch">tmēsibus</span> accusative tmēsin tmēsim tmēsēs tmēsīs ablative tmēsī <span class="searchmatch">tmēsibus</span> vocative tmēsis tmēsēs...