plumber
pipe installer or repairer
Root
- plumb: lead weight, pipe lead, vertical drop, or measured depth
Other words with the plumb root
- plummet: to drop straight down
Plumber is the familiar word from the old lead-and-pipe family behind plumb.
The plumber found the leak behind the kitchen wall.
The shared history runs through lead and pipes. Plummet keeps the lead-weight image; plumber keeps the pipe-worker image.