recién nacido
From LSJ
μηδενὶ συμφορὰν ὀνειδίσῃς, κοινὴ γὰρ ἡ τύχη καὶ τὸ μέλλον ἀόρατον → never mock a disaster, fate is common to all and the future unknown
Spanish > Greek
βρέφος, ἔμβρυος, ἀρτιγένεθλος, ἀρτιγέννητος, ἀρτίγονος, ἀρτιγενής, ἀρτίτοκος