欠伸

Verb

 * 1) to yawn and stretch

Etymology 1
The kanji spelling is, borrowed from.

Etymology 2
. First attested in the early 1300s writings of Zen monk, an immigrant to Japan from the  in China.

This reading appears to be largely obsolete in modern Japanese, and the term is not listed in all dictionaries.

Noun

 * 1) yawning and stretching