τυμβίδιος
From LSJ
ἵνα οὖν μηδ' ἐν τούτῳ δῷ αὐτοῖς λαβήν (Photius, Fragments on the Epistle to the Romans 483.26) → so that he doesn't give them even here a handle (= an opportunity for refutation)
English (LSJ)
[ῐδ], η, ον,
A at a funeral or tomb, ἀγών, Ἑκάτη, Τύχη, Orph.A.577, H.1.3, 72.5.