plane

plane · adjective, noun¹

1. Proto-Indo-European*pleth₂-?
2. Proto-Indo-European*pel-?
3. Proto-Indo-European*pleh₂-
4. Proto-Indo-European*pl̥h₂nós
5. Proto-Italic*plānos
6. Latinplānus
7. Latinplānum
8. English todayplane

From Latin plānum (“flat surface”), a noun use of the neuter of plānus (“plain”). The word was introduced in the 17th century to distinguish the geometrical senses from the other senses of plain. Doublet of llano, piano, plain, and plan.

plane · noun, verb²

1. Late Latin · derived fromplāna“planing tool”
2. Anglo-Norman · derived fromplaine
3. Middle English · derived fromplane
4. English todayplane

From Middle English plane, plaine, from Anglo-Norman plaine, from Late Latin plāna (“planing tool”).

plane · noun, verb³

1. Proto-Indo-European*h₂ews-
2. Proto-Indo-European*h₂ewsér
3. Proto-Hellenic*auhḗr
4. Ancient Greekᾱ̓ήρ (āḗr)
5. Ancient Greekπλανάω (planáō)
6. Ancient Greekᾱ̓ερόπλᾰνος (āeróplănos)
7. Frenchaéroplane
8. Englishaeroplaneclip.
9. English todayplane

Clipping of aeroplane.

plane · noun⁴

1. Ancient Greek · derived fromπλάτανος
2. Latin · derived fromplatanus
3. Old French · derived fromplane
4. Middle English · inherited fromplane
5. English todayplane

From Middle English plane, borrowed from Old French plane, from Latin platanus, from Ancient Greek πλάτανος (plátanos), from πλατύς (platús, “wide, broad”).

Words from the same roots