vast expanse of fertile land
A yojijukugo describing a wide, fertile plain stretching as far as the eye can see. Often used in literary or descriptive contexts.
The country is known as a vast, fertile granary.
A yojijukugo composed of 沃 (fertile), 野 (field), 千 (thousand), and 里 (ri, an old unit of distance), literally 'fertile fields for a thousand ri'. The exact historical origin is uncertain, but it is a classical Chinese-derived expression.