Where does “ethica” come from?

ethica (Late Latin) comes from Ancient Greek ἠθική, from Ancient Greek ἠθικός, from Ancient Greek ἦθος, from Ancient Greek ἔθος, from Proto-Indo-European swe-dʰh₁-, from Proto-Indo-European dʰeh₁- — to do, put, place.

Ancestry of “ethica”, step by step

StepLanguageWordMeaning
1Ancient Greekἠθικήfeminine nominative/vocative singular of ἠθικός
2Ancient Greekἠθικόςof or for morals; moral; expressing character
3Ancient Greekἦθοςcharacter; custom, habit
4Ancient Greekἔθοςhabit, custom, manner; disposition, temper;...
5Proto-Indo-Europeanswe-dʰh₁-
6Proto-Indo-Europeandʰeh₁-to do, put, place

Words derived from “ethica

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