Word: Euphoria

Pronunciation: yo͞oˈfôrēə

Meaning: a feeling or state of intense excitement, a feeling of deep happiness; exaggerated elation. 

Etymology: Euphoria derives from the Greek preposition ευ (well) and the verb φερω (I carry).  In this sense, euphoria is a “well carrying”, or a “well bearing”.

Usage: A feeling of sudden euphoria settled over the team as, reaching the mouth of the cave, they stumbled into the light.