嘗

once

banquet on the occasion of the first ceremonial offering of rice by the newly enthroned emperor

first ceremonial offering of rice by newly enthroned Emperor

ceremonial offering to the deities by the Emperor of newly-harvested rice

ceremonial offering to the deities by the Emperor of newly-harvested rice

offering of the year's new rice harvest (imperial festival, October 17)

akaname

going through thick and thin to attain one's objective

lick

unprecedented

to look down on (someone)

shamelessly flattering