Extended Strong's Greek Lexicon (Abbott-Smith based)
courage/confidence
Usage: 1. courage, boldness , (Homer), attic; θ. τινός courage to do a thing, (Aeschulus Tragicus) 2. that which gives courage , θάρση grounds of confidence , (Euripides) 3. in bad sense, audacity , (Iliad by Homer): compare θράσος. (ML)