prevalent
adj.
early 15c., "having great power or force," from Latin praevalentem (nominative praevalens) "of superior strength; mighty," present participle of praevalere "to be more able" (see prevail). Meaning "extensively existing, in general use" is from 1650s.
〔李〕[pre-;val;-enta.] a.流行的，盛行的； 广布的 ←val,vail (L valere,valitum)=to be worth or strong 价值，强壮