IPA: /əˈsɛmblər/
KK: /əˈsɛmblər/
A person or program that puts together parts or components to create a finished product, especially in manufacturing or computer programming.
The assembler carefully connected all the parts of the device to ensure it worked properly.
Assembler → It is formed from "assemble" (from Latin "assimulare", meaning to bring together) and "-er" (meaning a person who). An assembler is a person who brings things together or puts them together.
Think of someone who 'brings together' ('assemble') parts to create something — that's what an assembler does.