bur ‧ geon /ˈbɜːdʒ ə n $ ˈbɜːr-/ BrE AmE verb [intransitive]
[ Date: 1300-1400 ; Origin: burgeon 'bud' (13-19 centuries) , from Old French burjon , from Vulgar Latin burrio , from Latin burra ; ⇨ ↑ bureau ]
formal to grow or develop quickly:
the burgeoning market for digital cameras