気骨 is read as きぼね (kibone) and means worry.
きぼね
kibone
きぼねがおれる
to become mentally exhausted
きこつりょうりょう
(a person with) strong moral fiber (backbone, determination)
きしょう
weather (conditions)
きおん
(air) temperature
きあつ
atmospheric pressure
きがる
ease
きのどく
unpardonable
きしょうがく
meteorology
きかん
trachea
きしょうちょう
(Japanese) Meteorological Agency
きせい
fervour
きかんし
bronchus