plateau

• n. プラトー；安定する水準；トレイ；つばの平らな帽子
• vi. 平衡に達する；安定期に達する

フランス語のplateauから、高原、平地、platから、平らな、広がる、語源的にはplate、planと同じである。

plateau (v.)

1952, from plateau (n.). Related: Plateaued; plateauing.

plateau (n.)

1796, "elevated tract of relatively level land," from French plateau "table-land," from Old French platel (12c.) "flat piece of metal, wood, etc.," diminutive of plat "flat surface or thing," noun use of adjective plat "flat, stretched out" (12c.), perhaps from Vulgar Latin *plattus, from Greek platys "flat, wide, broad" (see plaice). Meaning "stage at which no progress is apparent" is attested from 1897, originally in psychology of learning. In reference to sexual stimulation from 1960.

1. The US heroin market now appears to have reached a plateau .

米国のヘロイン市場は現在、停滞期にあるようだ。

2.We took a plane south-west across the Anatolian plateau to Cappadocia.

飛行機でアナトリア高原を南西に越え、カッパドキアに向かった。

3.The road straightened and were on a plateau .

道がまっすぐになり、高原に向かった。

4.Inflation has reached a plateau .

インフレが止まった。

5.The ranch is in the midddle of a large plateau .

広大な高原の中央部に位置する牧場。