ε3904Ἐφήμερος
ephemeral, for a day
[Meaning] temporary. [Also attested is the phrase] 'e)fh/meron poison', [meaning] that which kills in one day. Also said is a)mfh/meros, and a)mfhmerino/s fever.
Ἐφήμερος· πρόσκαιρος. Ἐφήμερον δηλητήριον, τὸ ἐν μιᾷ ἡμέρᾳ ἀναιροῦν. λέγεται δὲ καὶ ἀμφήμερος, καὶ ἀμφημερινὸς πυρετός.