am·phi·the·ci·um (ăm′fə-thēshē-əm, -sē-əm)
n. pl. am·phi·the·ci·a (-shē-ə, -sē-ə)
The outer layer of cells of the spore-containing capsule of a moss.
[New Latin amphithēcium : AMPHI- + Greek thēkion, diminutive of thēkē, receptacle; see dhē- in the Appendix of Indo-European roots.]
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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:
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.