subjunctive
‘denoting that mood of a verb which expresses contingency’
Lexical development traced from the Tamil root:
E. subiunctyf, subiunctyve, subiunctiue < La.Lat. subiunctivus ‘serving to join, connecting’ < subiunct < Lat. subiungere ‘append, add at the end, place under’ < sub ‘under’ + iungere ‘to join together’ < juhn < yeug- < Tamil okka