<span class="searchmatch">octōgēnī</span> inflection of octōgēnus: nominative/vocative masculine plural genitive masculine/neuter singular...
<span class="searchmatch">octōgēnīs</span> dative/ablative masculine/feminine/neuter plural of octōgēnus...
edition, page 101 “<span class="searchmatch">octogeni</span>”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press “<span class="searchmatch">octogeni</span>”, in Charlton T. Lewis...