transnominatio
From LSJ
ξένῳ δὲ σιγᾶν κρεῖττον ἢ κεκραγέναι → it's better for a stranger to keep silence than to shout (Menander)
Latin > English (Lewis & Short)
transnōmĭnātĭo: ōnis, f. transnomino, a pure Lat. appellation for
I metonymy, Don. p. 1776 P.; Diom. p. 452 ib.
Latin > French (Gaffiot 2016)
trānsnōmĭnātĭō, ōnis, f., métonymie : Diom. 458, 13 ; Donat. Gramm. 400, 7.
