Artificial intelligent assistant

scu

scu Obs.
  Also 4 pl. skwez.
  [? repr. OE. scuwa, sc{uacu}a shadow; the sc for the normal sh may be due to the influence of the corresponding ON. skugge: see scug n.]
  a. A shadow. b. A screen.

13.. Gaw. & Gr. Knt. 2167 Þe skwez of þe scowtes skayued hym þoȝt. c 1440 Promp. Parv. 450/2 Scu, spere in a howse, idem quod screne, scrineum, ventifuga.

Oxford English Dictionary

yu7NTAkq2jTfdvEzudIdQgChiKuccveC ca39413caf954f118178d7cbf6a3e73f