Where does “cwaatolo” come from?

cwaatolo (Kadiweu) comes from Portuguese quatro, from Old Portuguese quatro, from Latin quattuor, from Latin caput, from Proto-Italic kaput, from Proto-Indo-European káput, from Proto-Indo-European kap- — to seize, hold.

Ancestry of “cwaatolo”, step by step

StepLanguageWordMeaning
1Portuguesequatrofour
2Old Portuguesequatrofour
3Latinquattuorfour; 4
4Latincaputhead; headlike protuberance on an organ or body...
5Proto-Italickaputhead
6Proto-Indo-Europeankáputhead
7Proto-Indo-Europeankap-to seize, hold
Every word from Proto-Indo-European kap- →Every word from Proto-Indo-European káput →Every word from Proto-Italic kaput →