asteya non-stealing, non-misappropriation, desirelessness, non-covetousness
pratisthayam well established sarva
ratna gems, precious things
upasthanam approaching, coming up
When abstention from stealing is firmly established, precious jewels come.
"Upon the man who does not take what does not belong to him, all riches are showered". Staying without desire, he smoothly attracts what is precious - materially and figuratively, including the gem of all jewels - virtue.