a valley

Kyūjitai form of 地形学 (“geomorphology”)

geomorphology

something flat; flattened / something ordinary, common, mediocre / a freshman / a novice / a private / the top ridge of a roof parallel to the side of a building / Short for 平織 (hiraori, “plain weave”).

single-minded

a female given name / a surname

a plain, flat

the 桓武平氏 (Kanmu Heishi), from Emperor Kanmu / the 仁明平氏 (Ninmyō Heishi), from Emperor Ninmyō / the 文徳平氏 (Montoku Heishi), from Emperor Montoku, and / the 光孝平氏 (Kōkō Heishi), from Emperor Kōkō

even, flat, level / flatten, level / uniform / calm, gentle, peaceful / (mathematics) square, square root / common, ordinary, usual / Short for 平氏 (Heishi) or 平家 (Heike): Taira clan

a surname