sus

knew, found out

s y → savoir
su to know + s Past-tense / masculine plural ending
verb · plural masculine / 1st-person singular / 2nd-person singular, past tense Rare #51,833
knew, found out A literary past-tense form, used mainly in written narratives.
FR: Je sus la vérité le lendemain.
EN: I found out the truth the next day.
Conjugation of savoir
Past
susus
Indicative past
SingularPlural
First sus —
Second sus —
Third sut —

Je ne sus qu'après avoir emménagé ce qui s'était passé la veille.

I didn’t find out what had happened the day before until after I moved in.

— 2046 (2004)

Je ne le sus jamais.

I never knew.

Je ne sus plus rien de lui.

I knew nothing more about him.

— L'Accusé (2017)

Sounds similar to