What is the meaning of с-?

my, mine

I, me

(describing an action moving from a single position or many positions into another single position)

down (describing a downward action)

off, from off (describing an action of removing oneself to another location)

added to nouns, forms adverbs with the approximate meaning "from the location of [the noun]"

Prepended to verbs, usually forming a perfective from an imperfective verb.

Alternative form of з- (z-) used before: к, ф, п, т, х:

  1. attached to imperfective verbs to form the perfective aspect

    attached to imperfective verbs to form the perfective aspect

    forms verbs suggesting bringing together or out, literally or abstractly

    indicates suddenness or abruptness

    re-, back

    off, off from (indicates removal or extraction from somewhere)

    Source: wiktionary.org