Proto-Indo-European phonological system contains recognized systemic gaps in stop consonant series

the verdict

SUPPORTED

the evidence backs this

Recorded sources

1 source for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

AS REPORTEDno primary record reached; this is what the reporting says

Is it true that Proto-Indo-European phonological system contains recognized systemic gaps in stop consonant series?

Yes. The traditional reconstruction of the Proto-Indo-European stop system includes recognized gaps, most notably the near-complete absence or marginal status of the voiced labial stop *b.

Verdict: SUPPORTED · 1 source for, 0 against · Last checked 4 Aug 2026

How claims like this are judged

Judged against reference works: claims of this kind are settled by the historical reference record, not journal abstracts.

Evidence for · 1

Wikipedia: Proto-Indo-European language

Reference article covering this claim directly

Get citation

Wikipedia: Proto-Indo-European language. (n.d.). Wikipedia. https://en.wikipedia.org/wiki/Proto-Indo-European_language

Related receipts

Phonological drift and language contact caused Indo-European consonant inventories to diverge from Proto-Indo-European SUPPORTED related question, same topic
Is it true that Proto-Indo-European is the ancestor of all Indo-European languages? SUPPORTED related question, same topic
Reconstructed Proto-Indo-European exhibits typologically unusual phonological and morphological features PARTIAL LEAN related question, same topic
Is it true that the English counting system traces its origins to Proto-Indo-European numeration? SUPPORTED related question, same topic
Is it true that Proto-Indo-European aspect system is categorized as imperfective versus perfective? SUPPORTED related question, same topic
Is it true that specific Indo-European languages closely mirror Proto-Indo-European noun inflection? PARTIAL LEAN related question, same topic

Receipt History

first checked04 Aug 2026

judged → SUPPORTED · 7504 Aug 2026

Anyone with this link can read the claim and its public receipt, including any personal information in that text. Open permanent receipt.

Check your own claim

Challenge the receipt

I have a source that contradicts this verdict I have a source that supports it No source: request a receipt review Requests are recorded for review. This does not start an automatic check or guarantee a response time.

Citation formatting by citeproc-js (Frank Bennett) and the Citation Style Language project. Source and licenses.

This receipt is an automated verdict against our published method · not an opinion about any author or publication.
Terms · Privacy · How verdicts work