ἄσπληνον

English (LSJ)

τό (and ἄσπλαγχν-ος, ὁ, Dsc.3.134), (ἀ- euph., σπλήν)

   A miltwaste, Asplenium Ceterach, supposed to be a cure for the spleen, Dsc. l.c., Zopyr. ap. Orib.14.50.1.    2 = ἄκορον, Dsc.1.2.

Frisk Etymological English

-ος m.
Grammatical information: n.
Meaning: a plant (Dsc.)
Origin: GR [a formation built with Greek elements]
Etymology: May be from a privativum and σπλήν as it would cure anthrax, rather than a loan word.