This is the 5231st most frequent Japanese word.
須弥
須弥 (Shumi): The sacred Mount Meru in Buddhist cosmology.
Here, 須弥 is part of the proper noun 須弥山, referring specifically to Mount Sumeru in Buddhist cosmology.
須弥山（しゅみせん）は伝説的な山とされています。
Mount Sumeru is considered a mythical mountain.
In this sentence, 須弥 is used metaphorically to represent a high, revered place or a divine realm.
彼らの祈りは須弥にも届いたと言われます。
It is said that their prayers reached even Sumeru.
Here, 須弥 is referred to symbolically as an embodiment of magnificence or grandeur.