Fog
/fɑːɡ/noun
A thick cloud of tiny water droplets suspended in the air near the ground.
Did you know?The exact origin of English fog is uncertain, but it appears in Old English as a term for late aftermath grass, and only later became the name for misty air.
Etymological Timeline
Old English
OE
fog
“late-cut aftermath grass; a second growth of grass”
Middle English
ME
fogge
“coarse grass or aftermath; later, mist or haze”
15th Century
English
fog
“mist, vapor, or thick air near the ground”
Modern English
English
fog
“a dense cloud of water droplets suspended in the air”