Vedic brahmins in the region of Punjab - of five rivers - pronounce sha as kha, in their vedic chants.For instance, when they chant Purusha Sukta, instead of Hawisha, they say Hawikha.
And Sishya must have become Sikh.
A guru is often called as Sikshaka; and the pupil is Sishya.
When Guru Nanak gave form to his path, he named the leader as Guru - names like Guru Gobind Singh are well known. The followers, he named as Sishya or Sikh.
In olden days, a pupil or sishya, was described as Wineyan - a humble one.
A Cambodian stone inscription describes Sancara's sishyas as, Wineetha Wineya brnga ha - well trained, humble bees.
And whatever be the discipline, every sishya must be familiar with two kinds of restraints.
- Shri Chandrashekarendra Saraswati, Kanchi
