acrobat
n.
1825, from French acrobate (14c.), "tightrope-walker," and directly from Greek akrobates "rope dancer, gymnastic performer," which is related to akrobatos "going on tip-toe, climbing up high," from akros "topmost, at the point end" (see acrid) + stem of bainein "walk, go" (see come).
〔李〕n.走钢丝者,杂技演员 [bat=going] ←acro-[GK] =tip表示“顶点”;“最高点”