Unsplit

ppl. a. (UN-¹ 8 b. Cf. Du. ongesplit, MSw. osplitad, older Da. usplit.)

1656.  Earl Monm., trans. Boccalini’s Advts. fr. Parnass., 262. To repair those his Gallies, which were yet unsplit.

1802–12.  Bentham, Ration. Judic. Evid. (1827), II. 194. The man is split into two persons…: or, he remaining unsplit, an ideal person is fabricated to speak of the real one.

1875.  Bennett & Dyer, trans. Sachs’ Bot., 72. The originally unsplit fragments of cell-wall.