Roughen
/ˈrʌfən/noun
To make or become rough or uneven.
Did you know?Roughen is a later English formation from rough + -en, and that -en ending is the same old verbal spellmaker behind words like strengthen and lengthen.
Etymological Timeline
Old English
OE
ruh
“rough, shaggy, unpolished”
Proto-Germanic
PGmc
*rūhaz
“rough, hairy, shaggy”
Middle English
ME
roughen
“to make rough; to become rough”
Modern English
English
roughen
“to make or become rough or uneven”
Explore more surprising origins