Where does “quietu” come from?
quietu (Asturian) comes from Latin quiētus, from Latin quiēscō, from Latin quiēs, from Proto-Italic kʷiētis, from Proto-Indo-European kʷyéh₁tis, from Proto-Indo-European kʷyeh₁- — to rest; rest, peace.
quietu (Asturian): still; quiet
Ancestry of “quietu”, step by step