upAviS · upopaviS · samupAviS
upA -√ viS P. -viSati , to enter, enter into any state, MBh. ; R. ; BhP. ; (the augmented forms might also be referred to upa-√ viS .)
upo pa-√ viS P. -viSati , to sit down or take a seat by the side of, sit down near to ( acc. ), ŚāṅkhŚr. ; Gobh. ; ChUp. ; MBh. &c.
sam-upA -√ viS P. -viSati , to enter upon together, undertake, begin, commence, R. : Caus. -veSayati , to conceal, hide, HPariś.