oleastrum
Could not find oleastro in Logeion dictionaries.
oleastro Noun: neuter dative singular, Noun: neuter ablative singular of oleastrum
ŏlĕastrum, i, n., i. q. oleaster, Calp.
1 ŏlĕastrum, ī, n. , c. oleaster : Calp. Ecl. 2, 44.
Olus atrum. Castigat. in utrumque Glossar.
ŏlĕastrum, i, n.: = oleaster [CalpS].