"having four lobes; deeply cut, but not entirely divided, into four parts," 1660s, from quadri- "four" + -fid.
Entries linking to quadrifid
quadri-
before vowels quad- (before -p- often quadru-, from an older form in Latin), word-forming element used in compounds of Latin origin and meaning "four, four times, having four, consisting of four," from Latin quadri-, which is related to quattor "four" (from PIE root *kwetwer- "four").
-fid
word-forming element meaning "split, divided into parts," from Latin -fidus, related to findere "to split" (from PIE root *bheid- "to split").