TgO Lev11:21 :דְלֵיה קַרסוּלִין מִעִלָוֵי רַגלוֹהִי לְקַפָצָא בְהוֹן עַל ארעא‏ : which has joints aboves their legs with which to leap on the ground
See the entire entry for qpṣ vb. to jump