sidero-

prefix

Related to stars or constellations.

OriginLatin sīdus →
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Meanings

sidero-1

prefix
  1. Related to stars or constellations.

sidero-2

prefix
  1. Related to iron or steel.

Origin

sidero- · prefix

  1. Latinsīdus
  2. Latinsīdus
  3. Englishsidero-

Learned borrowing from Latin sīdus, sideris (“constellation”).

More words from Latin

Full word history & related roots →

sidero- · prefix

  1. Ancient Greekσίδηρος
  2. Ancient Greekσίδηρος
  3. Englishsidero-

Learned borrowing from Ancient Greek σίδηρος (sídēros, “iron”).

More words from Ancient Greek

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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