The word “awful” has changed meaning over time, from “filled with awe” to “horrible”.
Origin
The word “awful” comes from the Middle English word ‘aghful.
The Old English form of the word was egefull.
The word is derived from the word awe and the suffix -ful
Early meanings
Originally, “awful” meant “filled with awe” or “inspiring awe”. It could also mean “worthy of respect or fear”. In the 1600s, it could mean “sublimely majestic”. In the Renaissance, it could refer to something that is solemnly impressive
Later meanings
The meaning of “awful” shifted to “horrible” or “terrible”. In the early 19th century, it was used as an adverbial intensifier, such as “awful hot” or “awful cold”.