a combining form meaning “divided,” “lobed,” occurring in adjectives borrowed from Latin (bifid); on this model, used in the formation of compound words (pinnatifid).
Origin of -fid
< Latin -fidus divided, equivalent to -fid- (variant stem of findere to split) + -us adj. suffix
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
adj combining form
divided into parts or lobesbifid; pinnatifid
Word Origin for -fid
from Latin -fidus, from findere to split
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
word-forming element meaning "split, divided into parts," from Latin -fidus, related to findere "to split" (see fissure).
Online Etymology Dictionary, © 2010 Douglas Harper