<span class="searchmatch">blachnīs</span> dative/ablative plural of blachnon...
<span class="searchmatch">blachnī</span> genitive singular of blachnon...
blachnon n (genitive <span class="searchmatch">blachnī</span>); second declension bracken (or a similar fern) Second-declension noun (neuter, Greek-type). “blachnon”, in Charlton T. Lewis...