English etymology dataset (/v1/etymology.json)
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Copyright and licence
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This dataset is derived from Wiktionary (English), https://en.wiktionary.org/

Wiktionary text is licensed under the Creative Commons
Attribution-ShareAlike 4.0 International licence (CC BY-SA 4.0).

Under section 4(b) of CC BY-SA 4.0, a database into which you include all or a
substantial portion of the contents is Adapted Material. This dataset is
therefore Adapted Material, and it is released under the same licence:

    Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0)
    Human-readable summary: https://creativecommons.org/licenses/by-sa/4.0/
    Legal code:             https://creativecommons.org/licenses/by-sa/4.0/legalcode

You are free to share and adapt it, for any purpose, including commercially,
provided you give appropriate credit, link to the licence, indicate if changes
were made, and distribute your contributions under the same licence.

Attribution to use when you redistribute this file
--------------------------------------------------
    "English etymology dataset", derived from Wiktionary (en.wiktionary.org),
    CC BY-SA 4.0. Changes: word list restricted; each entry reduced to an
    arrival layer and a donor-language code.

Neither Wiktionary nor the Wikimedia Foundation endorses this dataset or any
application that uses it.

What is NOT covered by this licence
-----------------------------------
The Strata application - its source code, its interface, the sentences and
personas written for it, and its rules about how letters are pronounced - is a
separate work. Per the Creative Commons FAQ, ShareAlike applies to the
adaptation itself and not to a collection that merely contains it, and CC
recommends against using CC licences for software. Those parts are not
licensed under CC BY-SA and are not published here.