equestrianism, horseriding / a coachman / (by extension) serving nearby (to an aristocrat, etc.)

suffixed to make an honorific kanji compound which means the action belongs or is related to the emperor and/or the equivalents

prefixed to make an honorific kanji compound, especially used to indicate that the [word] belongs or is related to the emperor and/or the equivalents

control (a machine, etc.) / govern, rule / servant / Alternative spelling of 禦 (gyo): defend, protect

The left "step" radical, called 行人偏 (gyōninben)

an honorary title given to highly skilled blind musicians

open / start (practice)

opening (of a business) / starting of a medical or legal practice

Reeves' shad

(phonology, orthography, grammar) the first row of the 五十音図 (literally “table of the fifty sounds”), consisting of the five kana あ/ア (a), い/イ (i), う/ウ (u), え/エ (e) and お/オ (o)