H7283. ragash
[רָגַשׁ] verb be in tumult or commotion (Arabic make a vehement noise; Biblical Aramaic Aramaic רְגַשׁ, be disturbed, in tumult (ᵑ7 Ithpe`el often for הָמָה, as [Psa 46:6], שָׁאָה [Isa 17:12]f.; for חָמוֺן ibid.); but Syriac usually perceive, so Late Hebrew Hiph`il, but Hithpa`el fall stormily upon); —
Qal Perfect3plural [Psa 2:1] רָֽגְשׁוּ why do the nations throng tumultuously ?