底端

dǐduān
  1. bottom
  2. bottom side
  3. end part

CEDICT

bottom part; bottom

Wiktionary

Entry Composition

1 底 dǐ
  1. bottom; base
  2. background; foundation
  3. copy (of a manuscript or receipt etc) kept as a record
  4. (suffix) end of a year or month
  5. (math.) radix; base (abbr. for 底数 dǐshù)
=2 端 duān
  1. (bound form) tip; end; extremity
  2. (bound form) aspect; facet
  3. (bound form) upright; proper
  4. to hold sth level with both hands; to carry
  5. to eliminate; to wipe out
=2 端 duān
  1. old variant of 端 duān
  2. start
  3. origin

Related entries

小受 xiǎoshòu (slang) bottom (in a homosexual relationship)
底部 dǐbù bottom
海洋底部有沙子。

There is sand at the bottom of the ocean.

Source: Tatoeba

底面 dǐmiàn
  1. bottom
  2. bottom side
  3. bottom surface
零号 línghào (slang) bottom (in a homosexual relationship)
屁股 pìgu
  1. buttocks
  2. bottom
  3. butt
  4. back part
我屁股痛。

My butt hurts.

Source: Tatoeba

底子 dǐzi
  1. base
  2. foundation
  3. bottom
受 shòu
  1. to receive
  2. to accept
  3. to suffer
  4. subjected to
  5. to bear
  6. to stand
  7. pleasant
  8. (passive marker)
  9. (LGBT) bottom
施比受更有福。

It is more blessed to give than to receive.

Source: Tatoeba