ethics Copy link Outline 1. ēthĭcē, ēs, f., Quint. (pars illa moralis quae dicitur Ethice, 12, 2, 15)2. *phĭlŏsŏphia mōrālis • ethics: 1. ēthĭcē, ēs, f., Quint. (pars illa moralis quae dicitur Ethice, 12, 2, 15): for which Lact. has ēthĭca, ae; and Gell. ēthĭca res (not in Cic.: cf. de Fat. init.): a short treatise on e., compendium ethices, Whitby. 2. *phĭlŏsŏphia mōrālis: v. preced. art. Phr.: the study of morals we designate e., eam partem philosophiae., quia ad mores pertinet, "de moribus" appellare solemus, Cic. l. c. (cf. the title De officiis, i. e. concerning moral duties): every e. question has two aspects, omnis de officio quaestio duplex est, Cic. Off. 1, 3, init. (but officium represents chiefly the practical view of ethics).