ποτθέμειν

From LSJ

τὸ ἔθνος τὸ ἐπὶ τῆς γῆς λιθοβολήσουσιν αὐτὸν ἐν λίθοις → the people of the land shall stone them to death

Source

Dutch (Woordenboekgrieks.nl)

ποτθέμειν Dor. inf. aor. act. van προστίθημι.