Where does “caru” come from?

caru (Vulgar Latin) comes from Latin carus, from Proto-Italic kāros, from Proto-Indo-European kéh₂ros, from Proto-Indo-European keh₂- — to desire, wish.

Ancestry of “caru”, step by step

StepLanguageWordMeaning
1Latincarusdear, beloved; costly, expensive, valued
2Proto-Italickārosdear
3Proto-Indo-Europeankéh₂rosloved; dear
4Proto-Indo-Europeankeh₂-to desire, wish
Every word from Proto-Indo-European keh₂- →Every word from Proto-Indo-European kéh₂ros →Every word from Proto-Italic kāros →