the.com/chassis

The skeleton that gets all the mechanic's respect and none of the glamour.

means The base frame of a vehicle or structure that holds everything else together and bears the load.

from From French châssis, meaning 'frame,' which traces back to Latin capsa, 'box or case' — the same root that gave us 'case' and 'capsule.' So a chassis is etymologically a box that grew up to carry an engine.

origin
from Greek chassis meaning frame or case
job
holds engine, wheels, and body together under stress
irony
the part you never see is the part that matters most
tech shift
now often shares one platform across many car models
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