The spelling of "dost ones own volition" can be tricky. The word "dost" is an archaic form of "do" and is pronounced /dʌst/. "Ones" is pronounced /wʌnz/ and is the possessive form of "one." "Own" is pronounced /oʊn/ and means belonging to oneself. Finally, "volition" is pronounced /voʊˈlɪʃən/ and refers to the act of making a choice or decision. Putting it all together, "dost ones own volition" means to do something willingly or of one's own free will.