The Collaborative International Dictionary
Anecdotage \An"ec*do`tage\, n. Anecdotes collectively; a collection of anecdotes.
All history, therefore, being built partly, and some of
it altogether, upon anecdotage, must be a tissue of
lies.
--De Quincey.
Douglas Harper's Etymology Dictionary
"anecdotes collectively," 1823, from anecdote + -age. As a jocular coinage meaning "garrulous old age" it is recorded from 1835, and led to anecdotard.
Wiktionary
n. anecdotes considered as a group
Usage examples of "anecdotage".
One could see, even before he mentioned it, that he had gone to an ivy-clad public school in its anecdotage, with magnificent traditions, aristocratic associations, and no chemical laboratories, and proceeded thence to a venerable college in the very ripest Gothic.
As all this information was embellished and diversified by a considerable fund of anecdotage, it took the most of the way through supper.
From the depths of his ancestral anecdotage the old man had dragged tales of moonlight chases across rooftops, and tremendous battles with miscreants which, of course, his great-grandad had won despite being heavily outnumbered.