Where does “unethical” come from?

Unethical derives from English ethical, from English ethic, from Ancient Greek ἦθος meaning character or custom, from Proto-Indo-European h₂ent- meaning to be or exist.

unethical (English): Not morally approvable; morally bad; not ethical

Definitions

  1. Not morally approvable; morally bad; not ethical

Ancestry of “unethical”, step by step

StepLanguageWordMeaning
1EnglishethicalOf or relating to the study of ethics; Of or...
2EnglishethicMoral, relating to morals; A set of principles of...
3GermanEthikethics
4Old Frenchethique
5Latinēthica
6Late Latinethica
7Ancient Greekἠθικήfeminine nominative/vocative singular of ἠθικός
8Ancient Greekἠθικόςof or for morals; moral; expressing character
9Ancient Greekἦθοςcharacter; custom, habit
10Ancient Greekἔθοςhabit, custom, manner; disposition, temper;...
11Proto-Indo-Europeanswe-dʰh₁-
12Proto-Indo-Europeandʰeh₁-to do, put, place

Words derived from “unethical

Every word from Proto-Indo-European dʰeh₁-Every word from Proto-Indo-European swe-dʰh₁-Every word from Ancient Greek ἔθος