Note 1974 — BOOK XXX.
Lewis Evans translation
Hilum is the primitive from which nihilum is formed (i. e., ne-hilum). Cf. Poet. ap. Cic., Tusc., I., vi., "Sisyphus versat saxum sudans nitendo neque proficit hilum." Lucret., iii., 221, "nec defit ponderis hilum."