gwĩthamba

v.

1. to wash oneself. To wash oneself. To clean one's own body or hands with water, often in a ritualistic or ceremonial context; reflexive form of washing.

Example: Kĩrĩkanĩro kĩu kĩrĩkanĩre na ndungata yaku nĩ gwĩthamba ũgĩĩthambĩte; (But now you have rejected and spurned, Ps 44:10–25.); Nake Mũfarisai ũcio ona ũguo, akĩgega nĩ ũndũ ndaambire gwĩthamba moko atanegagũra. (The Pharisee was amazed to see that he did not observe the prescribed washing before the meal. Mt 15:2; Mk 7:2–5.)