/
ˈɪdɪl/
n.
  - a blissful or peaceful period or situation.
 - a short poem or prose work describing a picturesque pastoral scene or incident.
 
Derivative
- idyllic adj.
  - idyllically adv.
 
Etymology
C16: from L. idyllium, from Gk eidullion, dimin. of eidos ‘form’.