Toyota
来自Big Physics
wiktionary
From Japanese トヨタ(Toyota), from the name of the Toyoda family. The spelling was changed to Toyota because of a belief that it sounded better, or because トヨタ takes eight strokes to write, and 8 is considered lucky.
etymonline
Toyota
Japanese automaker, begun 1930s as a division of Toyoda Automatic Loom Works, named for the family name of the founder. There seems to be no one accepted explanation for the change from -d- to -t-.
