The Collaborative International Dictionary
Blowth
Blowth \Blowth\, n. [From Blow to blossom: cf. Growth.]
A blossoming; a bloom. [Obs. or Archaic] ``In the blowth and
bud.''
--Sir W. Raleigh.
Wiktionary
blowth
n. (context archaic English) bloom or blossom; blossoms collectively; the state of blossoming.