雰囲気
ふんいき · funiki · JLPT N3 · noun
gram
🕯️ 雰囲気 = mist + surround + air: the air hanging around a place
雰 means mist, 囲 means surround, 気 means air or spirit, so the word is the air that surrounds a place or a group. Said aloud, fun-iki sounds like fun-icky, and a mood is either fun or icky.