semio-

prefix

semiotics

“semiochemistry”

OriginAncient Greek σημεῖον →
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Meanings

prefix

alternative semeio-

  1. semiotics
  2. signal

    semiochemistry

Origin

  1. Ancient Greekσημεῖον“a mark, sign, token”
  2. Englishsemio-

From Ancient Greek σημεῖον (sēmeîon, “a mark, sign, token”), from σῆμα (sêma, “mark, sign”). By surface analysis, semi- (“sign, mark, token”) + -o-.

More words from Ancient Greek

Full word history & related roots →
Cite this entry
APA

semio-. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/semio-

MLA

“semio-.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/semio-. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “semio-,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/semio-.

Source: semio- on Wiktionary, CC BY-SA 4.0.