貴い
とうとい · toutoi · JLPT N1 · i-adj
noble
💎 貴 = noble or costly (貴族 nobility); 貴い = precious, valuable
The kanji 貴 marks things that are rare, costly, or of high rank. Adding the adjective ending い gives precious or noble. The reading とうとい is shared with 尊い, which carries a similar sense of honored worth.