Arthashastra
एत एव मणि मध्यास् तन् माणवका भवन्ति ॥
The same necklaces with a gem at the centre are called by the same names with the words 'Mánavaka' suffixed to their respective names.
english translation
eta eva maNi madhyAs tan mANavakA bhavanti ॥
hk transliteration by Sanscript