Etymology

plan

P3L1A1N1

Today it means: A drawing showing technical details of a building, machine, etc., with unwanted details omitted, and often using symbols rather than detailed drawing to represent doors, valves, etc. Full definition →

French plan ← Latin plānus
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The story

  1. Latin · derived fromplantāre“set, fix in place”
  2. French · derived fromplant
  3. Latin · derived fromplānus
  4. French · borrowed fromplan“flat surface, ground plot, map”
  5. English todayplan

Borrowed from French plan (“flat surface, ground plot, map”), from Latin plānus. Some sources also argue for influence or alteration of French plant, from plantar, from Latin plantāre (“set, fix in place”). Doublet of llano, piano, plane, and plain.

Words from the same roots

Latinplānus all →

plainplanarplani-planishplanular

Latinplantāre all →

plant

Etymology from Wiktionary, CC BY-SA 4.0.