one shaku and one sun

in ancient China, the paperboard on which the imperial decree was written, or the imperial decree

important, significant

importance, consequence, significance

unit of measure / unit (an organized group) / academic credit

(archaic) antique, old-fashioned / (colloquial) ancient

ancient times, antiquity, remote ages

a bamboo measure

the shaku, "metal shaku", or Japanese foot: a traditional Japanese unit of length equal to 10 sun (寸) or ¹⁄₁₀ jō (丈), standardized as ¹⁰⁄₃₃ of a meter

shaku (measurement) / measure