ἀκάρδιος, ον,
wanting the heart, [[ 2nd c.AD: Polyaenus Historicus 8.23.33, 1st-2nd c.AD: Plutarchus Biographus et Philosophus “Caesar” 63] Refs 1st c.AD+]: metaphorically, spiritless, cowardly, [[ 3rd c.BC: Chrysippus Stoicus 2.247, 249] Refs 3rd c.BC+]; heartless, weak, [[ LXX.Jer.5.21] LXX]; ἄφωνος καὶ ἀ. [[ 5th c.AD: Proclus Philosophus “in Platonis Cratylum commentaria” p.41 P. ] Refs 5th c.AD+]
__II of wood, without heart or pith, solid, [[ 4th-3rd c.BC: Theophrastus Philosophus “Historia Plantarum” 3.12.1.] Refs 4th c.BC+]