the.com/plumb
Gravity's oldest employee, a string and a weight that never once lied about straight down.
latin rootFrom plumbum, Latin for lead, the dangling weight
shared ancestrySame root gives us plumber and plunge
means deepTo plumb depths is to measure them
plumb crazyPlumb also means utterly, completely, dead-on
ancient toolEgyptians used plumb bobs building the pyramids