>>11366789 (lb)
Why the name Chabad (Chabadnik)?
Other disciples of the Magid emphasized the enthusiasm and excitement of prayer. R. Schneur Zalman emphasized the contemplation before and during prayer that could spontaneously generate that enthusiasm. He therefore distinguished his school of thought by calling it
Chabad: stands for . . . Common translation refers to . . .
Ch ח Chochmah Wisdom conception of an idea
B ב Binah Understanding cognating an idea
D ד Da’at Knowing realizing an idea
https://www.chabad.org/library/article_cdo/aid/1600970/jewish/What-Is-Chabad.htm
''Sounds like the trivium.''