下矩: quadrature (astronomy)

栗きんとん, 栗金飩: a confection made of chestnuts and sugar / 栗きんとん, 栗金団: a confection made of mashed sweet potato and chestnuts

to abandon, to give up / to abandon, to renounce, to relinquish

in ancient China, a tripod kettle or other vessel used to make offerings to one's ancestors / (by extension) cardinal principle