The story
- Latin · derived fromrelaxātus
- English todayrelaxed
First known use, by meaning
- from 15th c. Made slack or feeble; weak, soft.
- from 17th c. Made more lenient; less strict; lax.
- from 18th c. Free from tension or anxiety; at ease; leisurely.
- from 19th c. Without physical tension; in a state of equilibrium.
- from 19th c. Of a muscle: soft, not tensed.
Etymology from Wiktionary, CC BY-SA 4.0.