ἡμερόβιος

A. living for a day: τὸ ἡ.,= τὸ ἐφήμερον, an insect, esp. may-fly, Thphr. Metaph. 29, Plin. HN 11.120; of Diogenes, living from hand to mouth, Satyr. ap. Porph. Abst. p.270 N.