a combining form meaning “red,” used in the formation of compound words:
erythrocyte.
Also, especially before a vowel, erythr-.
Origin
< Greekerythrós red, reddish
British Dictionary definitions for erythro-
erythro-
combining form
1.
red: erythrocyte
Word Origin
from Greek eruthros red
Word Origin and History for erythro-
before vowels, erythr-, word-forming element meaning "red," from Greek erythro-, comb. form of erythros "red" (in Homer, also the color of copper and gold); see red (1).