immaturitas
From LSJ
Cras amet qui numquam amavit quique amavit cras amet → May he love tomorrow who has never loved before; And may he who has loved, love tomorrow as well.
Latin > English (Lewis & Short)
immātūrĭtas: (inm-), ātis, f. immaturus.
I Unripeness, immatureness: sponsarum, Suet. Aug. 34.—*
II Untimely haste, over-eagerness: quid haec festinatio, quid haec immaturitas tanta significat? Cic. Quint. 26, 82.