The Linear B word Po-ti-ni-a
Word Po-ti-ni-a
po ti ni a
Transliteration potinia
Meaning goddess surname
See also Homeric Greek: πότνια ‘mistress, queen’
Homeric Greek: πότνα ‘mistress, queen’

Comments
Etym. πότις = the master
Πότνια probably means 'Mistress' or 'the great lady'.