Obs. Also ko, koo, keo, coo. [ME. midland form, answering to northern ka, kae = Da. kaa, ON. *ká, *kǭ, from *káha: cf. CHOUGH.] Jackdaw. Cf. CADDOW1.

1

c. 1325.  Gloss. W. de Bibbesw., 145. La chouwe, a co-brid [Camb. MS. the co].

2

c. 1440.  Promp. Parv., 84. Coo byrde, or schowhe, Monedula. Ibid., 280. Koo bryd, or schowghe.

3

14[?].  Voc. Harl. MS. 1587 Ibid. 84. Monedula, coo.

4

a. 1528.  Skelton, P. Sparowe, 466. We may not well forgo The countrynge of the coe.

5

1530.  Palsgr., 237/1. Koo, a byrde.

6