词根：stip = to press together

  词根stip来自拉丁语stip意为to press together。

同源词：

1. stipulate [使一起按压stip(=press together)]
  vt.（作为条件）讲定，约定，规定；确定，保证
  stipulation n.约定，规定；条款
  I stipulated that the company pay my moving expenses before accepting the job. 我要求那家公司先支付我搬家的费用，然后我才会接受这份工作。

2. constipate v.使患便秘 *con<com(=intensive)
  constipated adj.便秘的
  constipation n.便秘
  find some kinds of food constipating 发现一些引起便秘的食物

词根词缀：stip-, stipit-

【来源及含义】Latin: compress, compressed, to press together, to pack; related to: stalk, log, stock, trunk of a tree

【同源单词】atonic constipation, colonic constipation, constipate, constipation, exhaustipated, obstructive constipation

词根词缀：stipul-

【来源及含义】Latin: to demand a formal promise, to bargain; to arrive an an agreement; to compromise

【同源单词】prestipulate, prestipulation, stipulate, stipulated, stipulated authority, stipulated damages

词根词缀：tipho-, tiph-, tiphi-

【来源及含义】Greek: pool, pond, marsh, swamp

【同源单词】tiphicoline, tiphicolous, tiphophile, tiphophilous, tiphophily, tiphophyte