asplenum
Could not find asplenon in Logeion dictionaries.
asplenon Noun: neuter dative singular, Noun: neuter ablative singular of asplenum
asplēnum or -on, i, n., = ἄσπληνον,
- miltwort, spleenwort: Asplenum ceterach, Linn.: Asplenon sunt qui hemionion vocant, Plin. 27, 5, 17, § 34; in Vitr. 1, 4, written as Greek, and in Isid. Orig. 17, 9, 87, asplenos.