a combining form meaning “male,” used in the formation of compound words: androsterone.
Origin of andro-
< Greek andró(s), genitive of anḗr man; akin to Sanskrit nar-, Albanian njerí person, Latin Nero Nero
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before a vowel andr-
(in botany) stamen or antherandroecium
Word Origin for andro-
from Greek anēr (genitive andros) man
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 "man, male," from Greek andro-, comb. form of aner (genitive andros) "man, male" (see anthropo-).
Online Etymology Dictionary, © 2010 Douglas Harper
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.