verb/sus.tʁɛʁ/
to subtract (to remove or reduce); to subtract; to avoid, to escape (from); to preserve, protect from; free from
“se soustraire à ses obligations” — to avoid one's obligations
Antonyms: ajouter, additionner
Inherited from Old French sustraire, borrowed from Latin subtrahere (with conjugation modeled on traire), and altered based on influence from words like souscrire.