Where does “quietish” come from?
quietish (English) comes from English quiet, 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.
quietish (English): Somewhat quiet
Ancestry of “quietish”, step by step