Compounds of 夙

• 夙
  (n) bright and early
  early in life
  long ago
  for a long time
• 夙に
  (adv) bright and early
  early in life
  long ago
  for a long time
• 夙志
  (n) long-cherished desire
• 夙成
  (n) precocity
• 夙夜
  (n-t) from morning till night
  day and night
  always