U+1F44 not displayed. Screen font?

In the sentence
l’/ontologie/, du grec ancien ὄντος (ontos), participe présent du verbe être
Amaya does not display ὄ (the U+1F44 ὄ if I am  not mistaken).
Is this a screen font problem? How do I change for a more complete font?

Received on Sunday, 1 November 2009 20:48:11 UTC