This conjunction combines 'and' (kai) with the particle 'indeed' (toi), creating a concessive or contrastive force: 'and yet,' 'although.' In John 4:2, it qualifies the statement that Jesus was baptizing: 'although (kaitoi) Jesus himself did not baptize, but only his disciples.' The conjunction introduces a clarification or contrast, correcting a potential misunderstanding. Kaitoi acknowledges something while introducing a qualification that modifies or nuances the initial statement.