to be firm or to make firm: to be set solidly in place and lasting, or to set something solidly in place so it stands, endures, and is ready for its purpose.
At its heart this is a word about firmness. Picture something planted so solidly that it will not be moved, knocked over, or proven wrong. From that one idea the word reaches in several directions depending on who is acting and on what.
When nothing is being acted on, it describes a thing that simply stands firm:
- the world that cannot be shaken
- a throne that lasts for generations
- a heart that is steady and unafraid
- a report that turns out to be solidly true
When someone makes something firm, it means to found it or establish it so it endures, the way God sets the earth on its place or secures a kingdom. And because a thing that is firmly set in advance is a thing that is ready, the word also covers getting something ready ahead of time:
- laying in food
- gathering materials
- clearing a road
- fixing one's heart on God before the moment comes
These are not separate words but one idea seen from different sides. Being established, establishing, and preparing all turn on the same picture of something set solidly and reliably in place. The Bible leans on that single thread to tie things together: the same verb founds the world, secures David's throne, steadies a devoted heart, and gets a meal ready, as if to say these are all the same kind of work.
English needs many words for it (establish, prepare, fix, make ready, be steadfast, be sure), which is why a single Hebrew verb here can sound so different from one verse to the next.