ἀκάρδιος · akardios — LSJ
wanting the heart, Polyaen. 8.23.33, Plu. Caes. 63: metaph., spiritless, cowardly, Chrysipp.Stoic. 2.247, 249; heartless, weak, LXX Je. 5.21; ἄφωνος καὶ ἀ. Procl. in Cra. p.41 P.
of wood, without heart or pith, solid, Thphr. HP 3.12.1.