一动儿

一動兒
yīdòngr
  1. (Mandarin) Erhua form of 一動／一动 (yīdòng, “easily; frequently; at every turn”).
  2. Erhua form of 一動／一动 (yīdòng, “easily; frequently; at every turn”).

Wiktionary

Entry Composition

1 一动 yīdòng easily; frequently; at every turn
=2 儿 ér
  1. child
  2. son
=2 儿 r
  1. non-syllabic diminutive suffix
  2. retroflex final