Where does “insincerity” come from?

Insincerity derives from English sincere, from Latin sincērus, possibly from Latin simul meaning "together" and Latin crēscere meaning "to grow," with the suffix Latin -itās.

insincerity (English): Property of being insincere, lacking sincerity or...

Definitions

  1. Property of being insincere, lacking sincerity or...

Ancestry of “insincerity”, step by step

StepLanguageWordMeaning
1EnglishsincerityThe quality or state of being sincere; honesty of...
2Middle Englishsinceritie
3Latinsincēritasintegrity, honesty
4Latinsincērusclean, pure, sound
5Proto-Italicsenkairos
6Proto-Indo-Europeanḱer-to grow, to make grow, to nourish; to plait,...
7Proto-Indo-Europeankr̥-to turn, to bend
8Proto-Indo-Europeanker-army
Every word from Proto-Indo-European ker-Every word from Proto-Indo-European kr̥-Every word from Proto-Indo-European ḱer-
insincerity — Etymology, Origin & Word History | Etymology Explorer