gwĩtheria

v.

1. purify oneself, cleanse. Purify oneself, cleanse. A reflexive verb meaning to make oneself clean or pure, especially in a ritual or ceremonial context, often involving washing or other purification practices according to religious law.

Example: Na mũndũ o wothe ũrĩa ũmwĩrĩgĩrĩire ũguo nĩ gwĩtheria etheragia, o ta ũrĩa we nake atherete. (Everyone who has this hope based on him makes himself pure, as he is pure. 2:6.); Nda 19.11-13 Ngĩgĩcooka mũciĩ, ngĩĩthamba nĩ ũndũ wa gwĩtheria, ngĩcooka ngĩrĩa irio ciakwa ndĩ na kĩeha kĩnene. (and in sorrow ate my food. Nm 19:11–22.)