ardeh

/ah-day, ɑ??de?/int. [origin uncertain; poss. < Baba Mal. ande friend (= handai companion, associate) (Wilkinson); or Ind. adik younger brother or sister; form of address to a younger brother or sister and to younger people (Echols & Shadily, Ind.–Eng.); Jav. a?i younger sibling; person younger than oneself (Horne)]  An exclamation expr. consternation, surprise, etc.
1994C.S. ChongNS: An air-level Story 135ardeh. Unique army exclamation.