noun, noun or participle which takes 'suru'
drying up completely; becoming parched
Rare literary word for something drying out entirely, such as a river, well, or soil. Modern Japanese usually uses 干上がる or 枯渇する.
日照りが続き、川がかんこした。
The drought continued and the river dried up completely.
Compound of 乾 (dry) and 枯 (wither). The exact historical derivation is uncertain; it is a rare Sino-Japanese word.