ては

ては, ちゃ, ちゃあteha

expression

  1. if (an action, etc.)
  2. since ...
  3. if you are going to ...
  4. one after another
  5. indicates repeated action
  6. adds emphasis

Study it in Yanamino

Data from JMdict, KANJIDIC2 (EDRDG), KanjiVG, CC-CEDICT and Make Me a Hanzi. Sources and licences