lac·ri·mal or lach·ry·mal (lăkrə-məl)
1. Of or relating to tears.
2. Of, relating to, or constituting the glands that produce tears.
[Middle English lacrimale, from Old French lacrymal, from Medieval Latin lachrymālis, from Latin lacrima, lachryma, tear; see dakru- 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.