| 释义 | | ekwo- Horse. Probably to be segmented *ekw-o‑, a suffixed form akin to the lengthened o-grade adjective ōku- , swift. Oldest form h1ek̑wo‑, becoming ekwo‑ in centum languages.
 [Pokorny ek̑u̯o-s 301.]equestrian, equid, equine, equitant, equitation, Equuleus; equisetum, from Latin equus, horse.eohippus, hippocampus, Hippocrene, hippodrome, hippogriff, hippopotamus, from Greek hippos, horse.alfalfa, from Old Iranian  *aspa‑, horse.
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