before vowels dipl-, word-forming element of Greek origin, from Greek diploos, diplous "twofold, double," from di- "two" (see di- (1)) + -ploos "-fold," from PIE root *pel- (2) "to fold."
Entries linking to diplo-
di- 1
word-forming element of Greek origin meaning "two, double, twice, twofold," from Greek di-, shortened form of dis "twice," which is related to duo "two" and cognate with bi-, from PIE root *dwo- "two." In chemistry it indicates a compound containing two units of the element or radical to which it is prefixed.
*pel- 2
Proto-Indo-European root meaning "to fold."
It forms all or part of: aneuploidy; decuple; fold (v.); -fold; furbelow; haplo-; hundredfold; manifold; multiple; octuple; polyploidy; -plus; quadruple; quintuple; sextuple; triple.
It is the hypothetical source of/evidence for its existence is provided by: Sanskrit putah "fold, pocket;" Albanian pale "fold;" Middle Irish alt "a joint;" Lithuanian pelti "to plait;" Old English faldan "to fold, wrap up, furl."