imperial capital (esp. Kyoto); final word of an iroha poem; 10^16; 10,000,000,000,000,000
outside (the metropolis of) Tokyo
national language; Japanese language (esp. as a school subject in Japan); one's native language; mother tongue; native Japanese words (as opposed to loanwords and Chinese-derived words)
university; college; former imperial university of Japan (established under the ritsuryō system for the training of government administrators); the Great Learning (one of the Four Books)