根本

fundamental / basic / root / simply / absolutely (not) / (not) at all / CL:個|个[ge4]

root / basis / classifier for long slender objects, e.g. cigarettes, guitar strings / CL:條|条[tiao2] / radical (chemistry)

root / stem / origin / source / this / the current / original / inherent / originally / classifier for books, periodicals, files etc