English
firstling
From first + -ling.
A compound of first + -ling
Proto-Indo-European *per- ‘before’
…
Proto-Germanic *furistaz ‘first’
Proto-West Germanic *furist
Old English fyrest
Middle English first
English first
Today it means
noun The first produce or result, notably firstborn offspring.
Language periods are conventional ranges, not dates for this word.
Etymograph / firstling