Portuguese edit

Etymology edit

Literally, by very little, by an instant.

Phrase edit

por um triz

  1. (idiomatic) by a whisker; by a hair's breadth; by the skin of one's teeth (by a narrow margin)
    Synonyms: por um fio, por pouco
    Eu consegui escapar do acidente por um triz.
    I managed to escape the accident by a hair's breadth.