wee
adjective /wiː/
  /wiː/
(informal)Idioms - (especially Scottish English) very small in size
- a wee girl
 - Who was that wee lassie who was here last night?
 
 - small in amount; little
- Just a wee drop of milk for me.
 - I felt a wee bit guilty about it.
 
Extra Examples- I might be a wee bit late.
 - Come inside for a wee dram.
 
 
Word Originadjective Middle English (originally a noun use in Scots, usually as a little wee ‘a little bit’): from Old English wēg(e) ‘balance, weight’, of Germanic origin.
Idioms 
the wee small hours (Scottish English) 
(North American English the wee hours)
 (also the early/small hours British and North American English)
- the period of time very early in the morning, soon after midnight
- We danced into the wee small hours of the morning.
 - I woke in the wee hours.