втрое

three times, threefold

f t r o j ə
в into; inward + трое three (people)
adverb Rare #49,969
three times, threefold Used with comparatives to mean “three times as much/many” or “three times more/less.”
RU: Этот стол втрое дороже.
EN: This table is three times as expensive.

Нас втрое меньше.

We're outnumbered three to one.

У меня грехов то, втрое больше твоего.

I’ve got three times as many sins as you do.

— The Island (2006)