frictionpoint

noun
UK /ˈfrɪkʃən pɔɪnt/
US /ˈfrɪkʃən pɔɪnt/

A friction point is a spot where two things rub together and make it hard to move.

The scratchy tag on my shirt is a friction point that keeps bothering my neck.


OTHER MEANINGS

2. A small problem that makes people disagree or work less smoothly together.

Money was the main friction point in their friendship.

3. A place in a machine where moving parts rub and wear down.

The mechanic oiled the friction point on the bike chain.

4. A moment in a plan or process where progress slows down.

Traffic at the bridge became a friction point for the delivery route.