os-

prefix

Against; facing; a combining prefix found in verbs of Latin origin.

OriginLatin ob →
Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

prefix
  1. idiomaticAgainst; facing; a combining prefix found in verbs of Latin origin.

Origin

  1. Latinob
  2. Englishos-

From Latin ob.

More words from Latin

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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