-сь

See also: сь and съ

Russian

Pronunciation

• IPA^(key): [sʲ]

Etymology 1

Suffix

-сь • (-sʹ)

1. contraction of -ся (-sja) (reflexive suffix appended to finite verbs and infinitives to make a reflexive, reciprocal, or intransitive verb)

Usage notes

• After a vowel, -ся is usually contracted to -сь, except when attached to an adverbial participle:
  • мы́ться (mýtʹsja, “to wash oneself”), мо́ется (mójetsja, “[she] washes herself”)
  • мо́юсь (mójusʹ, “[I] wash myself”)
  • мы́вшаяся (mývšajasja, “[who had] washed herself”).

Etymology 2

Inherited from Proto-Slavic *sь (“this”). Doublet of сий (sij), a borrowing from Old Church Slavonic. See also сей (sej), the inherited independent form.

Suffix

-сь • (-sʹ)

1. this, last (found in a few, mostly obsolete or dialectal, terms referring to time)

   ‎(dialectal) лони́ (loní, “year”) + ‎-сь (-sʹ) → ‎(dialectal) лони́сь (lonísʹ, “last year”)

   ‎вчера́ (včerá, “yesterday”) + ‎-сь (-sʹ) → ‎(colloquial) вчера́сь (včerásʹ, “yesterday”)

   ‎дне- (dne-, “day”) + ‎-сь (-sʹ) → ‎(obsolete) днесь (dnesʹ, “now”)

   ‎ле́то (léto, “year, summer”) + ‎-сь (-sʹ) → ‎(low colloquial) ле́тось (létosʹ, “last year, last summer”)

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Ukrainian

Pronunciation

• IPA^(key): [sʲ]

Etymology 1

Cognate with Polish -ś.

Particle

-сь • (-sʹ)

1. Appended to relative/interrogative pronouns to form indefinite pronouns

Derived terms

• щось (ščosʹ), хтось (xtosʹ)