青空

Noun

 * 1)  blue sky, azure sky

Etymology
First cited to the early 1700s.

Compound of 🇰🇲. The reading was aosora until roughly the mid-. The shift to voiced pronunciation has been relatively recent.

Noun

 * 1) the blue sky; the clear sky
 * 2)  the state of being outdoors, in the open, open-air
 * 1)  the state of being outdoors, in the open, open-air
 * 1)  the state of being outdoors, in the open, open-air