μετατύπωσις
From LSJ
English (LSJ)
εως, ἡ,
A transformation, Ammon. Diff.p.91 V. II conversion of a compound word into two simple ones, as ἀκρόπολις into ἄκρα πόλις, Eust.626.49, cf. 75.4. III defined as λέξις ἐνηλλαγμένα στοιχεῖα ἔχουσα (as ὑπαί for ὑπό), Trypho Trop.2.16.