ψευδοκλητήρ
From LSJ
αὐτὸν κέκρουκας τὸν βατῆρα τοῦ λόγου → you have struck the very threshold of the argument, you have struck the most important and chiefmost point
English (LSJ)
ῆρος, ὁ,
A one who falsely subscribes his name as witness to a summons, Theopomp.Hist.267.
German (Pape)
[Seite 1394] ὁ, falscher Zeuge bei der Unterschrist einer Klage, Ath. VI, 254 b, neben ψευδομάρτυρες u. συκοφάνται.