The name is whimsical. A "crystal" is a repeated pattern in space. So a "time crystal" is a pattern repeated in time.
Oh. That makes a lot more sense. Thanks
Next we find out Earth really has 4 corner simultaneous 4-day time cube within single rotation.
Gene?
The Wisest Man on Earth!
It made me think of Iron Council, in which "golems" are constructed of more and more esoteric phenomena (wood and stone are "easy", but then they're made from fire and moonlight [during the daytime, apparently it required a deep shaft and the new moon passing over at just the right time]), until at the climax a "time-golem" is created.