to work for free, to work without pay or other compensation / to work in vain, to work with no favorable end result

(archaic, grammar) any word that declines or conjugates / (archaic, grammar) more specifically, a verb

each person

middle, medium / average; neither good nor poor / during; being in the process of doing / second volume of a three volume set

China or Chinese; Sino- (prefix)

being in the process of doing

a surname / a female given name / a surname

(mahjong) red dragon (tile)

御中: belly, tummy, stomach, abdomen; a meal, especially of rice; cotton batting; (historical) the title of a maid working in the inner part of a samurai family's house during the Muromachi period

middle / in