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mu·ta·tis mu·tan·dis

(m-tätĭs m-tändĭs)

adv. Abbr. m.m.

With differences or changes in various details corresponding to a given overall difference or change: the application of maritime law, mutatis mutandis, to space travel.

[Latin mūtātīs mūtandīs, the necessary changes having been made (literally, “with the things to be changed having been changed”) : mūtātīs, ablative plural of mūtātus, changed, past participle of mūtāre, to change + mūtandīs, ablative plural of mūtandus, to be changed, gerundive of mūtāre.]

Indo-European & Semitic Roots Appendices

Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:

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Semitic Roots

The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.

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