epicenter(AmE), epicentre(BrE) - the point on the Earth's surface directly above the focus of an earthquake. / (figuratively) The focal point of any activity, especially if dangerous or destructive .

intellectual / the intelligentsia

source of a river

The hiragana syllable ち (chi). Its equivalent in katakana is チ (chi). It is the seventeenth syllable in the gojūon order; its position is た行い段 (ta-gyō i-dan, “row ta, section i”).

七月, 7月: July

世知: worldly wisdom

蜂: bee

鉢: bowl, basin; pot; skull / 鉢, 鈸: Buddhist cymbals

八: eight, 8

七: seven / 質: pawn / 失: mistake, loss / 死地: jaws of death