Word spiral

Starting from 1, fill in the grid in a clockwise direction with four-letter words. The last letter of each word becomes the first letter of the next to reveal the seven-letter key word in the shaded boxes.

Keyword clue: Fruit type

1. Gratis

2. Australian birds

3. Knock senseless

4. Midday

5. Require

6. Clock face

7. Lighting device

8. Couple

9. Long-tailed rodents

10. Indian dress

11. Desire to scratch

12. A vagrant

13. Burden

14. Lather

15. Short comic sketch

16. Temporary worker