ˈprōˌfil noun
also pro·phyl·lum prōˈfiləm
( plural prophylls -lz ; also prophyl·la -lə)
Etymology: New Latin prophyllum, from pro- (I) + -phyllum
: a plant structure resembling a leaf (as a bracteole) or consisting of a modified or rudimentary leaf (as a foliar primordium)