Latin word obstare comes from Latin sto, Latin ob

Detailed word origin of obstare

Dictionary entry	Language	Definition
sto	Latin (lat)	(Medieval Latin) I [currently] am (feel). (Medieval Latin) I am [located at]. I stand. I stay, remain.
ob	Latin (lat)	Against; facing. In the direction of, to, towards. On account of, according to, because of, due to, for (the purpose of).
obstare	Latin (lat)

Words with the same origin as obstare