Where does “unprincipled” come from?

Unprincipled derives from English principle, which comes from Latin principium, originally meaning "one who takes first" from capio, "to take."

unprincipled (English): lacking moral values

Definitions

  1. lacking moral values

Ancestry of “unprincipled”, step by step

StepLanguageWordMeaning
1EnglishprincipledBased on, having or manifesting principles;...
2EnglishprincipleA fundamental assumption or guiding belief; A...
3Latinprīncipiuma beginning, an origin, a commencement
4Latinprīncepsfirst, foremost
5Latinprimoceps
6Latincapiōto take, to capture, to catch, to seize, to take captive, to storm
7Proto-Italickapiōtake
8Proto-Italickapjōtake, seize
9Proto-Indo-Europeankh₂pyéti
10Proto-Indo-Europeankeh₂p-to seize, grab; to seize; take up; lift; to take,...

Words derived from “unprincipled

Every word from Proto-Indo-European keh₂p-Every word from Proto-Indo-European kh₂pyétiEvery word from Proto-Italic kapjō
unprincipled — Etymology, Origin & Word History | Etymology Explorer