| 释义 | | pelə-2 Flat; to spread. Oldest form *pelh2‑; variant *pleh2‑, colored to *plah2‑, becoming *plā‑.
 Derivatives include field, planet, plasma, plastic, and polka.
 [Pokorny pelə‑ 805.]Suffixed form *pel(ə)-tu‑.  field, from Old English feld, open field, from Germanic *felthuz, flat land.Suffixed form *pel(ə)-t-es‑ (by-form of *pel(ə)-tu‑). feldspar, from Old High German feld, field;veld, from Middle Dutch veld, velt, field. Both a and b from Germanic *feltha‑, flat land.
Variant form *plā‑. Suffixed form *plā-ru‑.  floor, from Old English flōr, floor, from Germanic *flōruz, floor;suffixed form *plā-no‑.  llano, piano2, plain, planarian, plane1, plane2, plane3, planish, plano-, planula; esplanade, explain, pianoforte, from Latin plānus, flat, level, even, plain, clear.
Suffixed zero-grade form *pl̥ə-mā‑.  palm1, palm2, palmary, palmier, from Latin palma (< *palama), palm of the hand.Possibly extended variant form *plan‑. planet; aplanatic, from Greek planāsthai, to wander (< "to spread out");perhaps Germanic *flan‑.  flâneur, from French flâner, to walk the streets idly, from a source akin to Old Norse flana, to wander aimlessly.
Suffixed zero-grade form *plə-dh‑.  -plasia, plasma, -plast, plaster, plastic, plastid, -plasty; dysplasia, metaplasm, toxoplasma, from Greek plassein (< *plath-yein), to mold, "spread out.".O-grade form *polə‑. polynya, from Russian polyĭ, open;Polack, polka, from Slavic *polje, broad flat land, field.
 See also extensions plāk-1, plat-.
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