adjoin
‘join on (to)’
Lexical development traced from the Tamil root:
E.adjune, adjoyne, adion, adioyn < O.F. ajoin < ajoindre ‘join together, unite’ < Lat. adiungere ‘fasten on, harness, join to’ < ad ‘to’ + iungere ‘to bind together’ < joyn < yeug- < Tamil okka