theyfab.
A non-binary person who was assigned female at birth, often one that does not change their physical appearance.
Meaning & usage
A non-binary person who was assigned female at birth, often one that does not change their physical appearance.
Where this word comes from
Etymology tree Proto-Indo-European *tóy Proto-Germanic *þai Proto-Norse *ᚦᚨᛁᛉ (*þaiʀ) Old Norse þeirbor. Middle English þei English they Proto-Indo-European *h₂éd Proto-Italic *ad Proto-Italic *ad- Latin ad- Proto-Indo-European *sek-? Proto-Indo-European *-nóm Proto-Italic *segnom Proto-Indo-European *-h₂ Proto-Indo-European *-éh₂ Proto-Indo-European *-yéti Proto-Indo-European *-eh₂yéti Proto-Indo-European *-h₂tiinflu. Proto-Italic *-ājō Proto-Italic *-āō Proto-Italic *segnāō Latin signō Latin assignōlbor. Old French assignerbor. Middle English assignen English assign English assigned Proto-Indo-European *dʰeh₁(y)-der. Proto-Indo-European *dʰeh₁-m̥h₁n-éh₂ Proto-Italic *θēmanā Proto-Italic *fēmanā Latin fēmina Proto-Indo-European *-lós Proto-Indo-European *-elós Proto-Italic *-elos Latin -lus Latin fēmella Old French femelebor. Middle English femele Middle English female English female Proto-Indo-European *h₂éd Proto-Germanic *at Old English æt Middle English at English at Proto-Indo-European *bʰer- Proto-Indo-European *-tis Proto-Indo-European *bʰértisder. Proto-Germanic *burþiz Old Norse burðrbor. Middle English birthe English birth English AFAB English theyfab Blend of they + AFAB (“assigned female at birth”). The first known use is from December 2016 on Twitter.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.