cohobation

noun

co·​ho·​ba·​tion ˌkō-ə-ˈbā-shən, ˌkō-(h)ō-ˈbā- 

: repeated distillation usually by subjecting a distillate to a new act of distillation

cohobate

ˈkō-ə-ˌbāt, ˈkō-(h)ō-, kə-ˈhō- 

transitive verb

cohobated; cohobating