en_tn/pro/23/10.md

ancient

very old. See how you translated this in Proverbs 22:28.

boundary stone

This is a large stone to show where one person's land ends and another person's land begins. See how you translated this in Proverbs 22:28.

encroach

This means to slowly take or begin to use land (or some thing) that belongs to someone else.

orphans

children whose parents are dead