Archaic pre-noun form of 尊い. Used in classical Japanese to modify nouns directly, meaning 'precious' or 'valuable'. In modern Japanese, 尊い is used instead.
Archaic pre-noun form, often used before a name or title to show respect. Equivalent to modern 尊い used honorifically. Found in classical texts and formal historical contexts.
Modern equivalent with the 貴 kanji, often used for nobility or high value. 貴き is the corresponding archaic pre-noun form.
Etymology
Archaic pre-noun form of the adjective 尊い (とうとい), from classical Japanese. The -ki ending is the attributive form of -shi adjectives in classical grammar. The kanji 尊 and 貴 both convey high value or nobility.