thirty

Rare form of 参 (“3, three”).

a calling, coming / (Zen Buddhism) a gathering of Zen members in meditation, preaching, and invocation

go (for a specific purpose, for example) / Short for 参議院 (Sangiin): the House of Councillors (upper house of the Diet) / check, verify / add, increase, join (a group, etc.)

a surname / (Chinese astronomy, rare) the Three Stars constellation, one of the Twenty-Eight Mansions

(law) Financial form of 三 (san): 3, three

Short for 三河国 (Mikawa-no-kuni): Mikawa Province / Alternative spelling of 三 (san): 3, three

bowl

suffix for names of mountains / suffix for a temple's honorific mountain name (山号 (sangō))

mountain / temple, temple ground / Short for 比叡山 (Hieizan): Mount Hiei / mine