Bedeutung von “threshold” — Learner’s Dictionary

threshold

noun us uk /ˈθreʃhəʊld/
LEVEL [ C ]

the level at which something starts to happen:

He had a low boredom threshold.
on the threshold of sth

at the start of a new and important time or development:

We're on the threshold of a new era in European relations.
ENTRANCE [ C ]

the floor of an entrance

(Definition von “threshold” aus dem Cambridge Learner's Dictionary © Cambridge University Press)