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hebdomad

Definition, pronunciation, etymology, and usage for the English word. Free spelling reference powered by Wiktionary.

Letters

8 characters

Language

English

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Detailed reference entry for the English word "hebdomad", 8-letters, with pronunciation in International Phonetic Alphabet notation, etymology traced through Germanic and Romance roots where applicable, common misspelling variants catalogued from Hunspell error dictionaries, and usage frequency ranked against the top 100,000 English words in the Wordfreq corpus. PlainSpell covers English, Spanish, Portuguese, French, and German spelling with confusable-pair detection that highlights visually and phonetically similar words. This entry for "hebdomad" includes synonyms, antonyms, homophones, and cross-language translation pointers sourced from Wiktionary via the kaikki.org extract. Whether you are verifying the correct spelling of "hebdomad" for academic writing, checking homophone confusion, or exploring etymological origins, this page provides a citation-backed, free reference that requires no sign-up.

hebdomad is aEnglishnoun. It means: A group of seven. Pronounced /ˈhɛbdəmæd/.

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Key facts for hebdomad
PropertyValue
Headwordhebdomad
LanguageEnglish
Part of speechNoun
IPA/ˈhɛbdəmæd/
Letters8
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Frequency rank visualization

hebdomad is not present in the top-100,000 ranked English corpus, typical for technical, archaic, or low-frequency vocabulary.

Source: Wordfreq corpus

Spelling & Dictionary Insight

The English entry for hebdomad is 8 letters long, classified as anoun, and transcribed in the International Phonetic Alphabet as /ˈhɛbdəmæd/. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader.Wiktionary records 3 distinct senses for this headword, so context determines which meaning a reader should apply.

No frequent misspelling variants are recorded for hebdomad in our index, suggesting the orthography either follows predictable English patterns or the word is uncommon enough that typo corpora lack signal.It is not paired with a close-neighbour confusable in our dataset, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: From Late Latin hebdomada (“number seven; group of seven; seven days”), hebdomas (“number seven; seven days; seventh day”), from Ancient Greek ἑβδομάς (hebdomás, “group of seven, especially seven days or seven years”), from ἑπτά (heptá, “seven”) + -ᾰ́ς (-ắs… Root origin matters for spelling because borrowed morphemes (Greek, Latin, Old French, Old English) carry their source-language orthographic conventions into modern English, which is why historical etymology is often the cleanest predictor of whether a cluster like "-ough", "-eau", or "-tion" will appear. For readers arriving here from a spelling check, the authoritative guidance is: the correct English form is hebdomad, spelled H-E-B-D-O-M-A-D, and any other sequence of those letters, regardless of how natural it feels, is a misspelling in standard orthography.

Definition

  1. 1
    A group of seven.
  2. 2
    A period of seven days; a week.
  3. 3
    A group of seven world-creating archons (supernatural beings) often regarded as somewhat hostile; also, a term of address for the Demiurge (“a being sometimes seen as the creator of evil”).

Etymology

From Late Latin hebdomada (“number seven; group of seven; seven days”), hebdomas (“number seven; seven days; seventh day”), from Ancient Greek ἑβδομάς (hebdomás, “group of seven, especially seven days or seven years”), from ἑπτά (heptá, “seven”) + -ᾰ́ς (-ắs, suffix forming abstract nouns of number from numerals). The word is cognate with French hebdomadaire, hebdo (“weekly periodical”), hebdomadairement (“weekly”), Portuguese hebdomadário (“weekly periodical”), Spanish hebdomadario (“weekly; weekly periodical; hebdomadary”).

Frequently Asked Questions

How do you spell "hebdomad"?
"hebdomad" is spelled H-E-B-D-O-M-A-D. The IPA pronunciation is /ˈhɛbdəmæd/.
What does "hebdomad" mean?
As a noun, "hebdomad" means: A group of seven.
How do you pronounce "hebdomad"?
The IPA (International Phonetic Alphabet) transcription for "hebdomad" is /ˈhɛbdəmæd/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "hebdomad"?
From Late Latin hebdomada (“number seven; group of seven; seven days”), hebdomas (“number seven; seven days; seventh day”), from Ancient Greek ἑβδομάς (hebdomás, “group of seven, especially seven days or seven years”), from ἑπτά (heptá, “seven”) +... See the full etymology section above for more details.
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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.

Nearby English words

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Data Source: Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Frequency data from Wordfreq. Misspellings derived from Hunspell dictionaries.