ὑπογρᾰφ-εύς · hypograph-eus — LSJ
one who writes under anotherʼs orders, secretary, amanuensis, PCair.Zen. 647.50 (iii B. C.), Plu. Crass. 2, Luc. Dem. Enc. 44; military secretary, adjutant, PStrassb. 105.5 (iii B. C.).
person who has drafted or signed a deed on behalf of another, ὑ. τῶν ὁμολογούντων PAmh. 2.110.24 (i A. D.), cf. PMeyer 13.17 (ii A. D.), etc.; παρεχούσης ὑπογραφέα ὑπὲρ αὐτῆς καὶ μάρτυρας τοὺς ἑξῆς ὑπογράφοντας PMasp. 23.10 (vi A. D.).
at Athens and elsewh., the clerk of the Assembly, = ὑπογραμματεύς (the clerk of the Council being ἀντιγραφεύς), Sch. Ar. Eq. 1253 (but in the text (1256), ὑ. δικῶν appears to mean a signer of accusations on behalf of another), cf. IG 14.209 (Acrae).
= Lat. scriba, Lyd. Mag. 2.30.