to commit suicide

to wait for the perfect opportunity, to wait for the right time, to bide one's time

(linguistics) grapheme

one's own room

(Shinto) the gods of the earth / (Shinto, specifically) gods descended from Amaterasu, the sun goddess; ancestor-gods of Japan's emperors

hearse (Oxcart used as a hearse for nobles or the emperor in ancient Japan. The wheels had metal spokes that scraped them, producing a screeching resembling sad wailing.)

self-propelled

事象の地平面: event horizon

地震学: seismology

地滑り, 地辷り: landslide; trends of things changing rapidly