Origin: ME laxatif < OFr < ML laxativus < LL, mitigating < pp. of L laxare, to relax, slacken < laxus: see lax
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- Stimulating evacuation of the bowels.
- Causing looseness or relaxation, especially of the bowels.
Origin: Middle English, from Old French laxatif, from Medieval Latin laxātīvus, preventing constipation, from Late Latin, assuaging, from Latin laxātus, past participle of laxāre, to relax, from laxus, loose; see lax.
laxative - Medical Definition