Le Deutéronome 1:13 Midrash : Sifrei Devarim

הָב֣וּ לָ֠כֶם אֲנָשִׁ֨ים חֲכָמִ֧ים וּנְבֹנִ֛ים וִידֻעִ֖ים לְשִׁבְטֵיכֶ֑ם וַאֲשִׂימֵ֖ם בְּרָאשֵׁיכֶֽם׃

Choisissez parmi vous, dans vos tribus, des hommes sages, judicieux et éprouvés; je les établirai vos chefs."

Sifrei Devarim

(Devarim 1:13) "Havu for yourselves": "Havu" connotes "counsel," as in (II Samuel 16:20) "Havu counsel for yourselves," (Shemoth 1:10) "Havah, let us plot (i.e., take counsel) against it."