天津風: an Isokaze-class destroyer of the Imperial Japanese Navy; a Kagerō-class destroyer of the Imperial Japanese Navy

塗抹: smearing, a smear

戸松: a surname

是松: a surname

始末: the beginning and end of something

始末: to conclude, to bring to a conclusion, to end

(competition); (by extension) no longer able to postpone matters

end up being

Kyūjitai form of 附録 (“supplement; appendix”)

(mathematics) geometric mean, specifically, if the variables a, b, c satisfy the relation a:b=b:c, then b is the 幾何中項 of a and c.