garrulity

noun2

1. •
   The state or characteristic of being garrulous.

   • With all the affectionate garrulity of age, she a thousand times expressed her pleasure at beholding the sisters;[…] — 1838
2. •
   Garrulous talk.

   • A stream of inquiry and comment issued from her lips. . . . At last Gillian managed to stem the torrent of garrulity and interposed a question. — 1921