תַּ֣עַן לְ֭שׁוֹנִי אִמְרָתֶ֑ךָ כִּ֖י כָל־מִצְוֺתֶ֣יךָ צֶּֽדֶק׃
Hablará mi lengua tus dichos; Porque todos tus mandamientos son justicia.
Rashi on Psalms
My tongue will proclaim Heb. תען. Every [expression of] עַנִיָה is an expression of a loud voice, and the “father” of them all is (Deut. 27:14): “And the Levites shall proclaim (וענו) and say [to all Israel with a loud voice].”