Speakur

Word Pronunciation & Dictionary

opto-

Word Rarity Very rare

Frequency: Zipf frequency 2.07 in modern English

Syllables
op-to-
IPA
6
Scrabble Score
4
Letters
3
Syllables
3
Unique Chars

Meaning

prefix

optical

Etymology

Etymology tree Proto-Indo-European *h₃ekʷ-der. Ancient Greek ὄπωπᾰ (ópōpă) Proto-Indo-European *-tós Proto-Hellenic *-tós Ancient Greek -τός (-tós) Ancient Greek ὀπτός (optós)der. English opto- From Ancient Greek ὀπτός (optós, “sight, seen, visible”), from ὄψεσθαι (ópsesthai, “to be going to see”).

Origin

Word Breakdown

Questions

What does opto- mean?
optical
Where does opto- come from?
It is traced to Ancient Greek.

How to pronounce opto-

  1. Open the pronunciation page — Open the Speakur entry for “opto-”.
  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 “opto-”.
  4. Repeat and practice — Say “opto-” aloud, matching stress and vowels until it feels natural.