ellos internaron

they hospitalized, admitted (to a hospital)

→ internar
intern place in an institution; confine + aron 3rd-person plural past tense
verb · third plural · past indicative Rare #45,943
they hospitalized, admitted (to a hospital) Often used with a direct object (e.g., lo/la) to mean someone was admitted to a hospital or other institution.
SP: Lo internaron anoche por neumonía.
EN: They admitted him to the hospital last night for pneumonia.
Conjugation of internar
Indicative past
SingularPlural
Third — internaron

Le internaron en esta clínica después de decir que oía voces.

He was admitted to this clinic after saying he heard voices.

Lo internaron en París y luego lo trasladaron aquí.

He was hospitalized in Paris and then transferred here.

— La escafandra y la mariposa (2007)

Por cierto, escuché que internaron a tu tía.

By the way, I heard your aunt was hospitalized.

— Five Nights at Freddy's 2 (2025)

Después del parto, mamá enloqueció y la internaron.

After giving birth, Mom lost her mind and was institutionalized.

— Mujeres al borde de un ataque de nervios (1988)