macintosh

from scottish gaelic mac an toisich, meaning "son of the chief."
basically leadership energy in last name form before it became your laptop.

pro tip on macos

if you wanna change the finder's window title from the current folder's name to the full posix path you can do it with a terminal command:

defaults write com.apple.finder _fxshowposixpathintitle -bool true

then run:

killall finder

i like that