This is the 4459th most frequent Japanese word.
大山
"大山" means "big mountain" in English.
大山 refers to Ōyama, the name of a mountain, used as a proper noun.
大山は美しい山だと言われています。
It is said that Ōyama is a beautiful mountain.
大山 is used as a surname, a common use in Japanese nomenclature.
昨日、大山さんにお会いしました。
Yesterday, I met Mr./Ms. Ōyama.
大山 is used metaphorically to mean 'a significant or large issue', highlighting the context-driven nature of word usage in Japanese.