Etymograph

English

fertilin

fertile + -in

Formed from fertile + -in

Proto-Indo-European *bʰer- ‘to bear, carry’

…

Latin ferō ‘to bear, carry’

Latin fertilis ‘fruitful, fertile’

Old French fertile

Middle French fertile

English fertile

Today it means

noun Any of a group of proteins that mediate the binding of sperm to oocytes

Language periods are conventional ranges, not dates for this word.

Etymograph / fertilin