Where does “sollicitude” come from?

sollicitude (Old French) comes from Latin sollicitūdō, from Latin sollicitus, from Latin sollus, from Proto-Italic solnos, from Proto-Indo-European sol(h₂)nós, from Proto-Indo-European solh₂- — whole.

Ancestry of “sollicitude”, step by step

StepLanguageWordMeaning
1Latinsollicitūdōanxiety, worry, concern, uneasiness
2LatinsollicitusThoroughly moved, agitated or disturbed;...
3Latinsolluswhole, entire, unbroken
4Proto-Italicsolnos—
5Proto-Indo-Europeansol(h₂)nós—
6Proto-Indo-Europeansolh₂-whole

Words derived from “sollicitude”

Every word from Proto-Indo-European solh₂- →Every word from Proto-Indo-European sol(h₂)nós →Every word from Proto-Italic solnos →