Hacker News Reader

Mh, I had always assumed it was inspired by the term from the Go board game: https://en.wikipedia.org/wiki/List_of_Go_terms#Atari

It absolutely was. Nolan Bushnell, founder of Atari, went on to found another company called Sente [ http://senseis.xmp.net/?Sente ].

This was my impression too. Pretty sure I read it in an Atari magazine back in the 80s (Most likely "ST Format").