Douglas Harper's Etymology Dictionary
1670s, from Christ + like (adj.). Old English had cristlic, but the modern word appears to be a more recent formation.
Usage examples of "christ-like".
Another minister issued a long prayer, not much to the point, and the service should have been ended on this high religious plane, with each of the twenty-two missionaries attentive to Reverend Thorn's injunction that they show no sadness, but the elderly wife of one of the supervising ministers, upon looking at the pretty young brides about to depart, and knowing that some would die in childbirth in Hawaii and others would waste away and others would lose their grip on reality because of back-breaking work and insufficient food, could not restrain her motherly emotions, and in a high piping voice she began one of the most truly Christ-like of all church hymns.