This is the 11084th most frequent German word.
schwelle
Threshold.
'Schwelle' refers to the physical threshold of a doorframe here.
Die alte Holzschwelle war morsch und knarrte bei jedem Schritt.
The old wooden threshold was rotten and creaked with every step.
'Schwelle' is used metaphorically to signify the start of something new.
Ich stehe an der Schwelle eines neuen Lebensabschnitts.
I am standing on the threshold of a new phase of life.
'Schwelle' describes a limit or threshold, specifically for pain tolerance in the context of this sentence.