polyamorous
‘desiring or having consensual intimate relations with more than one partner’
Lexical development traced from the Tamil root:
poly ‘many’ + O.F. amoros ‘loving, in love; lovely’ < La.Lat. amorosum < Lat. amor ‘love, affection, strong friendly feeling; one’s beloved’ < amare ‘to love, be in love with; find pleasure in’ < Proto-Ital. ama- ‘to take, hold’ < uhmaw < Tamil amar