IPA: /ˈʌp.wæft/
KK: /ˈʌpˌwæft/
To cause something to rise or be carried upward through the air.
The warm air from the fire began to upwaft the smoke into the night sky.
Past: upwafted
Past Participle: upwafted
Upwaft → The word is formed from "up" (meaning in a higher position) and "waft" (from Old English "waftian", meaning to carry or convey through the air). The term "upwaft" means to carry or convey something upwards through the air.
Think of something being 'carried' ('waft') 'up' into the air — that's what upwaft means.