au sein de

\o sɛ̃ də\

/\o sɛ̃ də\/ prep

The verdict

“au sein de” is uncommon French (outside the top frequency list), classed as a preposition. The kind of spelling people second-guess.

Unranked
below top-frequency French
10
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Parmi.

Corpus desk

Index FR-au-sein-de · au sein de · French

au sein de · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 10 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "A" thin
  • PHOTO-UNK Peer pending

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for au sein de
PropertyValue
Headwordau sein de
LanguageFrench
Part of speechPreposition
IPA\o sɛ̃ də\
Letters10
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Longue queue: rang de « au sein de » en français

au sein den'entre pas dans le top 100.000 du français: zone de termes techniques, archaïques ou rares.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

au sein de is uncommon French outside the top frequency list, classed as apreposition, transcribed \o sɛ̃ də\. Rarity is why readers land here mid-draft. 2 senses are on record.

No generated misspelling entries exist for au sein de in our index, a straightforward case of a spelling with little room for common typos. We don't track a confusable pairing for this entry, which tends to mean the word is visually distinctive enough to stand on its own.

This entry's etymology isn't recorded, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct French form is au sein de, spelled A-U- -S-E-I-N- -D-E.

Definition

  1. 1
    Parmi.
  2. 2
    Dans le cadre de.

Recorded use

Wiktionary examples

These source excerpts show how au sein de appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Mais peut-on interdire la sociabilité, au sein d’une communauté qui a l’habitude de se retrouver au bar-tabac Le Vézelien ou de discuter longuement en pleine rue ?
  2. Une réunion a lieu au sein du conseil d'administration.

Synonyms

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "au sein de"?
"au sein de" is spelled A-U- -S-E-I-N- -D-E. The IPA pronunciation is \o sɛ̃ də\.
What does "au sein de" mean?
As a preposition, "au sein de" means: Parmi.
How do you pronounce "au sein de"?
The IPA (International Phonetic Alphabet) transcription for "au sein de" is \o sɛ̃ də\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "au sein de" come from?
"au sein de" is a French word. You can look up definitions, pronunciations, and spelling data for this and other words across English, Spanish, Portuguese, French, and German on PlainSpell.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list