Merriam-Webster's Word of the Day — "Diaphanous"

Date: February 4, 2026
Host: Merriam-Webster (Peter Sokolowski)

Main Theme

Today's episode introduces and explores the word diaphanous, delving into its meanings, usage, and fascinating etymological history. The wordspotlight is on linguistic connections and the evolution of vocabulary rooted in Greek and Latin.

Key Discussion Points and Insights

1. Definition & Pronunciation

• Introduction:
  The host spells out the word and establishes it as the word of the day.
  “Today's word is diaphanous, spelled D I A P H A N O U S. Diaphanous is an adjective.” (00:07)

• Meaning:
  “It's a formal word used to describe fabric of a texture so fine that one can see through it.” (00:13)
  “Diaphanous is also sometimes used figuratively to describe something characterized by extreme delicacy of form.” (00:21)

2. Example Usage

• Memorable Example Sentence:
  “Here's the word used in a sentence from Harper's: ‘With a bright pattern set on flaming crimson and a diaphanous petticoat underneath, the dress fits her perfectly.’” (00:29)
  This illustrates both the literal (fabric) and visual elegance of the word's use.

3. Etymology and Word Roots

• Etymological Exploration:
  The host connects "diaphanous" to a family of related words:
  “What do the words diaphanous, epiphany, fancy, phenomenon, sycophant, emphasis and phase all have in common?” (00:39)

  • The common element is the Greek root "phain-", meaning “to bring to light, cause to appear.”
  • Formation of "diaphanous":
    “The groundwork for diaphanous was laid when phainē, meaning to bring to light, cause to appear, was combined with the prefix dia, meaning through.” (00:50)
  • Language lineage:
    “From that pairing came the Greek diaphanēs, meaning transparent, parent of the medieval Latin word diaphanus, which is the direct ancestor of the English word.” (01:01)

4. Closing and Call to Action

• The brief episode wraps up with a signature outro and a friendly invitation:
  “With your word of the day, I'm Peter Sokolowski.” (01:21)

Notable Quotes & Memorable Moments

• On the meaning:
  “It's a formal word used to describe fabric of a texture so fine that one can see through it.” (00:13)

• On etymology:
  “The groundwork for diaphanous was laid when phainē, meaning to bring to light, cause to appear, was combined with the prefix dia, meaning through.” (00:50)

• On related words:
  “What do the words diaphanous, epiphany, fancy, phenomenon, sycophant, emphasis and phase all have in common?... The Greek word phainē shows more clearly in some of these words than in others, but it underlies all of them.” (00:39)

• Closing signature:
  “With your word of the day, I'm Peter Sokolowski.” (01:21)

Timestamps for Important Segments

• 00:07 — Introduction and spelling
• 00:13 — Primary and figurative definitions
• 00:29 — Example sentence from Harper's
• 00:39 — Etymological family and root discussion
• 00:50 — Greek origins explained
• 01:01 — Medieval Latin transition and modern English adoption
• 01:21 — Host closing

This episode of Merriam-Webster's Word of the Day efficiently introduces "diaphanous," illustrating its meanings with graceful language and tracing its lineage from Greek and Latin. The blend of example, etymology, and related words offers a rich, concise word study for listeners and lovers of language.