from the GNU version of the Collaborative International Dictionary of English
- n. A story, anecdote, or legend in the Talmud, to explain or illustrate the text of the Old Testament.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. Talmudic literature that does not deal with law but is still part of Jewish tradition
Sorry, no etymologies found.
Besides my earlier point of the 1609 publications of translated haggadot at the beginning of the age of reason should refute your argument that haggada in the vernacular is recent.
A haggada from, say 1320 in German may have disproved my point, but none exist.
The writing of this midrash is fifteenth-century work; it contains the Book of Tobias as a haggada on the promise Jacob makes to give tithes to God (Gen., xxviii, 22).