入座

入座	rù zuò	to take one's seat
入	rù	to enter; to go into / to join; to become a member of / (bound form) to conform to (as in 入时) / abbr. for 入声 / (on product packaging, after {number n} + {classifier}) containing (n pieces) (from Japanese 入 "iri")
座	zuò	seat / base; stand / (bound form) constellation / (archaic) suffix used in a respectful form of address (e.g. 师座) / classifier for large immovable objects such as buildings, mountains, bridges etc