σίλφη
From LSJ
Πάντα οὖν ὅσα ἐὰν θέλητε ἵνα ποιῶσιν ὑμῖν οἱ ἄνθρωποι, οὕτως καὶ ὑμεῖς ποιεῖτε αὐτοῖς· οὗτος γάρ ἐστιν ὁ νόμος καὶ οἱ προφῆται → Therefore as many things as you would like people to do for you, do also the same for them: that is the Torah, that is the prophets! (Matthew 7:12)
English (LSJ)
ἡ,
A cockroach, Blatta germanica, Arist.HA601a3, Gal.12.366,641, Ael.NA1.37, Luc.Gall.31; also, book-worm, Id.Ind.17 (in form τίλφη), AP9.251 (Even.). II a kind of boat, Sch.Ar.Pax 143, Suid. (acc. to Phryn.268, τίφη (q.v.) is the correct form).
German (Pape)
[Seite 881] ἡ, 1) ein fettig aussehendes, stinkendes Insekt, Schabe, blatta; Arist. H. A. 8, 17; Luc. Gall. 31, vgl. Schol. – 2) die Büchermotte, Euen. 16 (IX, 251).