This is the 814th most frequent Vietnamese word.
tỏa
"Tỏa" in Vietnamese means "to spread," "to emit," or "to radiate."
In this sentence, 'tỏa' means 'to radiate' or 'to emit,' describing the emission of light from the sun.
Mặt trời tỏa ánh sáng rực rỡ.
The sun radiates brilliant light.
Here, 'tỏa' conveys the spreading or diffusion of a scent in a space.
Hương hoa lan tỏa khắp căn phòng.
The fragrance of the orchids spreads throughout the room.
'Tỏa' in this context symbolizes the emanation of an abstract quality like joy.