su debut

his/her debut

→ su
phrase Rare #51,246
his/her debut Su can also mean “your” or “their”; the meaning depends on context.
SP: Su debut fue en una obra de teatro.
EN: Her debut was in a play.

Y Kerr gana su debut.

And Kerr wins his debut.

— La Máquina: The Smashing Machine (2025)

La actriz realizó su debut a los ocho años.

The actress made her debut at the age of eight.

Tom se hizo popular entre las adolescentes apenas hizo su debut en la pantalla.

Tom became popular with teenage girls almost immediately after his screen debut.

Su debut fue el evento social más grande de la temporada.

Her debut was the biggest social event of the season.