Yap.Town

o marco

milestone, landmark, mark

m a ɾ k u
marc score + o Masculine singular or first-person present
noun · masculine Rare #40,477
milestone, landmark In “marco zero,” it means the starting or reference point; in disaster reporting, it can mean “ground zero.”
PO: A inauguração foi um marco na história da cidade.
EN: The opening was a milestone in the city's history.
mark A former unit of currency, such as the German mark.
PO: Ele economizou um marco durante a viagem.
EN: He saved one mark during the trip.

Marco zero do ciclone.

Ground zero of the cyclone.

— Guardiões da Noite (2004)

O vento aumentou no marco zero, mas não a chuva, e há relâmpagos.

The wind has picked up at ground zero, but not the rain, and there is lightning.

— Oppenheimer (2023)

Economizei um marco.

I saved a mark.

— Asas do Desejo (1987)

Estamos no marco zero.

We’re at ground zero.

— Guardiões da Noite (2004)

Sounds similar to

barco b a ɾ k u marca m a ɾ k ɐ março m a ɾ s u