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Webster 1913 Edition

(stẽr′tō̍-rŭs)

Adj.

[L.

stertere

to snore: cf. F.

stertoreux

Characterized by a deep snoring, which accompanies inspiration in some diseases, especially apoplexy; hence, hoarsely breathing; snoring.

Burning,

stertorous

breath that hurt her cheek.

Mrs. Browning.

The day has ebbed away, and it is night in his room, before his

stertorous

breathing lulls.

Dickens.

stertorous ‎(comparative more stertorous, superlative most stertorous)

Sounding like snoring or snorting.
- 1920, Peter B. Kyne, The Understanding Heart, Chapter IX:
  Baldy had not moved since lying down, and his regular and somewhat sterterous breathing […] told Monica that he was alive and resting comfortably.

Sounding like snoring

German: röchelnd (de)
Russian: тяжёлый (ru) ‎(tjažólyj), хрипящий (ru) ‎(xripjaščij), затруднённый (ru) ‎(zatrudnjónnyj), стерторозный ‎(stertoroznyj)
Spanish: estertoroso