/eˈtoso/
OriginFrom Ancient Greek ἦθος (êthos, “character; custom, habit”).
- uncountablethe prevalent mood in a location or among a group of people or in a piece of art; atmosphere, mood, vibe, ambiance
“La ĉeesto de la japaninoj donis al nia kongreso internacian etoson.” — The presence of the Japanese women gave our convention an international atmosphere.
Formsetoson(accusative)
Source: Wiktionary