intermediate
adj.
early 15c., from Medieval Latin intermediatus "lying between," from Latin intermedius "that which is between," from inter- "between" (see inter-) + medius "in the middle" (see medial, adj.).
v.
c.1600, from inter- + mediate, v.. Related: Intermediated; intermediating.
〔蒋〕[inter-在…之间，medi中间] 中间的，居间的，居中调解，起调解作用
〔李〕[inter-=between在……之间；medi=middle中间；-ate a.=being……的→“being in the middle position between two limits, stages在两极限、两阶段之间处于中间位置的”→]Ⅰa. done or happening between two things中间的；两者之间的