ἐπικυΐσκομαι
From LSJ
ἀσκεῖν περὶ τὰ νοσήματα δύο, ὠφελεῖν ἢ μὴ βλάπτειν → strive, with regard to diseases, for two things — to do good, or to do no harm | as to diseases, make a habit of two things — to help, or at least, to do no harm
English (LSJ)
A become doubly pregnant, i.e. pregnant again before the first foetus is born, Hdt.3.108, Hp.Superf.1, Arist. GA773b28.