old documents / (in palaeography) historical documents written to convey a specific intention between a sender and receiver; generally inclusive of written material through the mid-19th century

(historical) a Japanese prince's unmarried daughter who is descended from the reigning emperor through no more than five generations ("princes" include 親王 (shinnō) or 王 (ō))

a queen regnant

giving a letter to the government, lord or noble to express one's opinion; or the letter of them

modest

modesty

helping each other; cooperation

to help each other; to cooperate

助動詞: (grammar) auxiliary verb

to restrain oneself; to have restraint; to be reserved; to hold back / to refrain from (doing something) / to stand on ceremony