Where does “sincere” come from?

sincere (Esperanto) comes from Esperanto sincera, from English sincere, from Middle French sincere, from Latin sincērus, from Proto-Italic senkairos, from Proto-Indo-European ḱer-, from Proto-Indo-European kr̥-, from Proto-Indo-European ker- — army.

sincere (Esperanto): sincerely

Definitions

  1. sincerely

Ancestry of “sincere”, step by step

StepLanguageWordMeaning
1Esperantosincerasincere
2EnglishsincereGenuine; meaning what one says or does;...
3Middle Frenchsinceresincere (genuinely meaning what one says or does)
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-
sincere — Etymology, Origin & Word History | Etymology Explorer