ils montèrent

went up, climbed, got on

→ monter
mont to go up, to climb + èrent simple past, they
verb · third plural · past indicative Rare #39,871
went up, climbed, got on Past historic (passé simple), 3rd person plural of « monter »; common in written narratives.
FR: Ils montèrent au sommet avant la nuit.
EN: They went up to the summit before nightfall.
Conjugation of monter
Indicative past
SingularPlural
Third monta montèrent

Ils montèrent dans le train.

They boarded the train.

Encore trois personnes montèrent dans le bus.

Three more people got on the bus.

Ils montèrent des escaliers.

They went up the stairs.

Elles montèrent dans le train.

They got on the train.

Les prix montèrent.

Prices rose.