Etymograph

English

clandestine

Clandestine comes from Latin clandestīnus ‘secret, concealed’, and goes back to Proto-Indo-European *ḱel-.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*ḱel-1root named by Wiktionary
  2. Latinc. 75 BCE–200 CEclandestīnus1‘secret, concealed’
  3. Englishearliest quotation 1793clandestine1

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, English clandestine
  2. Earliest quotation in Wiktionary’s entry: 1793, Charlotte Smith: “Monimia, who while she yielded to his earnest entreaties…”.

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*ḱel-Wiktionary, English clandestineroot named by Wiktionary
  2. Latinc. 75 BCE–200 CEclandestīnusWiktionary, English clandestine‘secret, concealed’
  3. Englishearliest quotation 1793clandestineWiktionary, English clandestine. Earliest quotation in Wiktionary’s entry: 1793, Charlotte Smith: “Monimia, who while she yielded to his earnest entreaties…”

Linked words

through Proto-Indo-European *ḱel-

hell, color, cell, hall, hole, hull, holder, ceiling, helmet, hollow, halt, helm, conceal, uphold, holden, occult, sari, cilia, sala, tricolour, haugh, seel, holing, recline, declension, halberd, hele, declination, 37 more

Today it means

adj Done or kept in secret, sometimes to conceal an illicit or improper purpose.

Sources

Sources: Wiktionary, “clandestine”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.

Etymograph / Proto-Indo-European *ḱel- / clandestine