What is the meaning of Z-?

Abbreviation of English zepto- (“10”)

z-axis

Appears in some imperfective verbs, many of them neuter verbs, as well as many perfective verbs.

Appears in the negative paradigms of all modes except the perfective.

A thematic prefix appearing in only a single verb theme referring to killing a singular object.

attached to verbs to form verbs denoting getting something together

down from

forms perfective verbs from imperfective ones

off, out or from

forms words with positive meanings

prefix used to denote joining, gathering, or bringing things together: together

prefix used to denote movement from top to bottom or away from a surface: down, off

prefix used with stative verbs to denote a change of state or the acquisition of a quality

prefix used to denote a change of state caused by an action (factitive/causative)

prefix used to denote upward movement, increase in volume, or a sudden flaring up: up

prefix used to denote a resultative action or the full completion of a process: up

prefix serving as a pure perfective aspect marker

prefix used redundantly or adding little new meaning to the base verb

Forms perfective verbs with the following meanings:

1. (no change in meaning)

   (no change in meaning)

   away, aside, down

   up

   together

   forms perfective verbs from imperfective ones

   be-, to-, dis-

   a prefix, to form perfective verbs

   a prefix, indicating a change of state

   used to form the perfect aspect of verbs

   added to verbs in various meanings

   alternative form of il-

   alternative form of si-, which marks third person of si-perfective verbs

   used before vowels or voiced consonants, sibilants (s, sz, z, ż), as well as h and semivowels (j, ł) to form a verb in a perfective aspect from a verb in an imperfective aspect.

   off, out or from

   attached to verbs to form verbs denoting getting something together

   down from

   forms words with positive meaning

   together (verbal prefix denoting joining, gathering, or bringing things together)

   down (verbal prefix denoting movement from top to bottom or from a surface)

   verbal prefix denoting a change of state or the acquisition of a quality

   verbal prefix denoting a change of state caused by an action (factitive/causative)

   verbal prefix denoting upward movement, increase in volume, or a sudden flaring up

   verbal prefix denoting a change or deviation in movement

   verbal prefix used as a delimitative, denoting a brief action, sound, or movement

   verbal prefix denoting a resultative action or the full completion of a process

   verbal prefix serving as a pure perfective aspect marker

   verbal prefix used redundantly or adding little new meaning to the base verb

   Source: wiktionary.org