Speakur

Word Pronunciation & Dictionary

octa-

Word Rarity Very rare

Frequency: Zipf frequency 2.32 in modern English

Syllables
oc-ta-
IPA
6
Scrabble Score
4
Letters
3
Syllables
4
Unique Chars

Meaning

prefix

Eight.

Etymology

Etymology tree Proto-Indo-European *oḱtṓw Proto-Hellenic *oktṓ Ancient Greek ὀκτώ (oktṓ) Ancient Greek ὀκτᾰ- (oktă-) English octa- From Ancient Greek ὀκτα- (okta-, “eight”); compare ὀκτώ (oktṓ).

Inflected Forms

oct- (alternative) octo- (alternative) ogdo- (alternative)

Derived Forms

octahedron octad octane octomino octave

Frequently Paired Words

number

Questions

What does octa- mean?
Eight.
Where does octa- come from?
Etymology tree Proto-Indo-European *oḱtṓw Proto-Hellenic *oktṓ Ancient Greek ὀκτώ (oktṓ) Ancient Greek ὀκτᾰ- (oktă-) English octa- From Ancient Greek ὀκτα- (okta-, “eight”); compare ὀκτώ (oktṓ).

How to pronounce octa-

  1. Open the pronunciation page — Open the Speakur entry for “octa-”.
  2. Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
  3. Play the audio — Click Play to hear reference audio for “octa-”.
  4. Repeat and practice — Say “octa-” aloud, matching stress and vowels until it feels natural.