subbasement

S1U1B3B3A1S1E1M3E1N1T1

noun

A basement located beneath another basement.

OriginEnglish basement ← Latin sub- ← Proto-Italic *supo →
Scrabble 17
Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

nounsubbasement (plural subbasements)

plural subbasements · alternative sub-basement

  1. A basement located beneath another basement.

    Joan H. Geismar is trying to unravel the mystery of old stone walls in the subbasement of Federal Hall National Memorial on Wall Street.

    2007 February 8, David W. Dunlap, “What May Have Made Good Neighbors Now Present a Puzzle”, in New York Times

Origin

  1. Proto-Indo-European*upó
  2. Proto-Italic*supo
  3. Latinsub
  4. Latinsub-
  5. Englishsub-
  6. Englishbase
  7. Englishbasement
  8. Englishsubbasement

From sub- + basement.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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