English

fosterer

From foster + -er.

A compound of foster + -er

Proto-Indo-European *peh₂- ‘to protect’

Proto-Germanic *fōstrą ‘nourishment, food’

Proto-West Germanic *fōstr

Old English fōstor ‘food, sustenance’

Middle English foster

Today it means

noun One who fosters; one who is designated to care for and nurture someone.

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

Etymograph / fosterer