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Etymology

fostering

/ˈfɒstərɪŋ/

verb (present participle of foster)

Origin

Old English

fōstor — food, nourishment, feeding

Overview

Meaning Now

  • The act of encouraging or promoting the development of something, typically something regarded as positive.
  • The act of providing parental care for a child who is not one's biological offspring.

Literal older meaning

nourishing, feeding, or bringing up

Language path

Proto-Germanic → Old English → English

Earliest form

fostrian

Earliest period

Old English

Journey

The root of 'foster' is intimately linked to 'food'. In the Old English period, to 'foster' meant primarily to provide physical sustenance. Over time, the meaning expanded metaphorically from physical nourishment to emotional and social support, and specifically to the legal and social arrangement of non-biological parenting.

Evolution

  1. Proto-Germanic

    *fōstrą

    “nourishment”

  2. Old English

    fōstrian

    “to feed, nourish, bring up”

  3. Middle English

    fostren

    “to nurture, support”

  4. Modern English

    fostering

    “encouraging development or temporary parenting”

Connections

Word parts

foster

root

to nourish

ing

suffix

present participle marker

Related across languages

  • Old Norse

    fóstra

    to nourish or rear

  • German

    fördern

    to promote or encourage (related via similar Germanic roots)

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