头生儿

頭生兒
tóushēngr
  1. (Mandarin) Erhua form of 頭生／头生 (tóushēng, “firstborn child; first time”).
  2. Erhua form of 頭生／头生 (tóushēng, “firstborn child; first time”).

Wiktionary

Entry Composition

1 头生 tóushēng
  1. (of a child) firstborn
  2. first birth
  3. first time
  4. firstborn
  5. firstborn child
=2 儿 ér
  1. child
  2. son
=2 儿 r
  1. non-syllabic diminutive suffix
  2. retroflex final