ECONOMIC, ECONOMICAL Copy link • ECONOMIC, ECONOMICALRelating to domestic economy, *ad tuendam rem familiarem pertinens or spectans (after Cic., Xenophontis liber de tuenda re familiari, qui oeconomicus inscribitur): attentus ad rem: diligens (careful): parcus (sparing; also = too sparing, penurious). Not to be ecomonical, largius suo uti (with reference to one’s property); rem familiarem negligere. “Economics,” *tuendae rei familiaris scientia or disciplina.