epi- or ep-
1. On; upon: epiphyte.
2. Over; above: epicenter.
3. Around: epicarp.
4. Close to; near: epicalyx.
5. Besides: epiphenomenon.
6. After: epilogue.
7. Chemistry Epimer of: epitestosterone.
[Greek, from epi, upon; see epi in the Appendix of Indo-European roots.]
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