service
‘employment in duties; act of serving’
Lexical development traced from the Tamil root:
E. serveis, cervis, saruis, servoise, servyse, serfise < O.F. servise ‘act of homage; servitude; service at table; Mass, church ceremony’ < Lat. servitium ‘slavery, condition of a slave, servitude’ < servus ‘slave’ < Proto-Italic serwo- ‘shepherd,’ serwā- ‘observation’ < suhv < seruo- < Tamil iṟai