a surname

vindication of one's name

vindicate oneself, clear one's name

尿: urine / 繞: Chinese character radical that covers the left and bottom of a Chinese character

手錠: handcuffs

連声: a morphological change of an initial syllable of the second kanji under the influence of the historical coda of the first kanji in a word

二乗: squaring

二条:

二乗: square

弾正: / 壇上: on an altar, stage, or platform / 壇場: