<span class="searchmatch">taediī</span> genitive singular of taedium...
<span class="searchmatch">taediīs</span> dative/ablative plural of taedium...
Italianate Ecclesiastical) IPA(key): [ˈt̪ɛː.d̪i.um] taedium n (genitive <span class="searchmatch">taediī</span> or taedī); second declension weariness, tedium, boredom, ennui disgust,...