OpenEtymology

lighten

UKˈlaɪt(ə)nUSˈlaɪtn

Meaning

1v

to become brighter or less dark

2v

to make something less heavy in weight

3v

to make a feeling or situation less serious, severe, or sad

Structure

word structure
1
light
bright, not heavy
+
2
en
verb-forming suffix

Usage

the sky began to lighten just before dawn.

they removed the engine to lighten the aircraft.

he told a joke to lighten the tense atmosphere in the room.

Etymology

the word "lighten" is a native english formation, built upon the old english root "leoht," which itself descends from proto-germanic leuhtaz, meaning "light, bright." this root is further traced back to the proto-indo-european root leuk-, meaning "light, brightness." the suffix "-en" is a productive verb-forming element in english, originating from old english "-nian," used to create verbs meaning "to make or become." the semantic logic is direct: the verb "lighten" inherits the core senses of its root "light," applying the action of "making or becoming" to both its primary meanings—reducing weight and increasing illumination—and by extension, to alleviating emotional or situational burdens.

Analysis

Structure
light (bright, not heavy) + en (verb-forming suffix)=lightbright, not heavy+enverb-forming suffix

light (old english, meaning "bright, not heavy, having little weight"), en (old english, a verb-forming suffix meaning "to make or become")

Lighten Etymology, Origin & Meaning | wordDNA