Words that come from Proto-Indo-European “kl̥h₂d-”
20 words across 10 languages descend from Proto-Indo-European kl̥h₂d- — including calamity, calamitous, calamitously, calamitousness, calamiteux, calamité, calamité, calamitas.
See the etymology of kl̥h₂d- itself →