effluence
n.
c.1600, "that which flows out;" 1620s, "act of flowing out," from Late Latin effluentia, from Latin effluentem (nominative effluens) "flowing out," present participle of effluere "to flow out," from ex- "out" (see ex-) + fluere "to flow" (see fluent). Related: Effluency.
〔李〕[ef- （ex- ）=out出；flu =to flow流；-ence →] n. the act of flowing out；an outward flow，especially of water，light，etc.流出；（水、光等）流出，射出，发出