Reddens
Reddens is the third-person singular present tense form of the verb redden. The core meaning is to cause to become red or to become red. It is used for color changes produced by heat, light, emotion, or oxidation, and it can function in both transitive and intransitive constructions.
As a transitive verb, reddens takes a direct object: for example, "The sun reddens the rocks at
Etymology: redden is formed by adding the -en suffix to the adjective red, a common way in
See also: red, redness, reddening, blush, flush, color terms.