-ся

Etymology
From, from , from , from , from.

Usage notes

 * The suffix is typically assimilated with the ending -ць (infinitive or personal endings), e.g., ,

Etymology
From, from , from , from. It is considered the shortened form of. Compare 🇨🇬 and 🇨🇬, or 🇨🇬.

Usage notes

 * After a vowel, -ся is usually contracted to -сь, except when attached to an adjectival participle:
 * , мо́ется
 * мо́юсь
 * мы́вшаяся.
 * When affixed to an infinitive or the 3rd-person singular or plural, it merges with the /tʲ/ or /t/ into the affricate /ts/ and palatalization is lost:.

Etymology
From, from , from , from.

Usage notes
-ся can be optionally contracted to -сь when used after a vowel.