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-idae

Zoology.
  1. a suffix of the names of families: Canidae.
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Origin of -idae

< New Latin, Latin < Greek -idai, plural of -idēs offspring of; akin to -id1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for -idae

-idae

suffix forming nouns
  1. indicating names of zoological familiesFelidae; Hominidae
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Word Origin for -idae

New Latin, from Latin, from Greek -idai, suffix indicating offspring
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 Origin and History for -idae

word-forming element used to form family names in zoology, Latin plural noun suffix, plural of -ides (see -id).

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Online Etymology Dictionary, © 2010 Douglas Harper