My Suggestions

thaĩrĩ

adv.

  1. officially, formally. Officially, formally. In an official or legal manner; used to describe actions that are officially recorded, sealed, or legally binding, particularly in reference to written documents and decrees.

Example: Tondũ ũcio mũthamaki ũcio ti Dario agĩkĩandĩka watho thaĩri o na mũhingo ũcio. (the last of the Persian kings. Cf. Dn 6:13, 16. according to the law of the Medes and Persians.”); Ningĩ ngĩcoka ngĩĩkĩra thaĩri marũa ma ũgũri wa gĩthaka kĩu na ngĩmacinĩrĩra rũũri rũakwa, ningĩ ngĩĩta aira a ũhoro ũcio, o na ngĩkĩmũthimĩra mbia icio na ratiri. (When I had written and sealed the deed, called witnesses and weighed out the silver on the scales,)