Probably akin to chraomai through the idea of contact; to smear or rub with oil, i.e. (by implication) to consecrate to an office or religious service -- anoint.
see GREEK chraomai
ἔχρισας (echrisas) − 1 Occurrence
ἔχρισέν (echrisen) − 3 Occurrences
χρίσας (chrisas) − 1 Occurrence