Colchicus
Could not find Colchico in Logeion dictionaries.
Colchico proper-name adjective neuter dative singular, proper-name adjective masculine ablative singular, proper-name adjective masculine dative singular, proper-name adjective neuter ablative singular of Colchicus
Colchico neuter dative singular, neuter ablative singular of colchicum
Colchĭcus, (14) a, um, de Colchide : Hor. Epo. 5, 24.