What is the meaning of до?

near, close to

up to, as far as

until, till

knife

the inside

the inside; the soul

bosom; bowels of the earth

up to

until

expresses a spatial relationship

1. in, into (denotes motion towards the interior of something)

   in, into (denotes motion towards the interior of something)

   to, toward (indicates the place of direction of an action)

   to (indicates the sphere of direction of action)

   until, up to, to (denotes a spatial boundary)

   against, over, on (indicates an object with which something collides or on which something rests or leans)

   to, in (denotes belonging or inclusion in some group)

   expresses a temporal relationship

   1. until, up to (denotes a temporal boundary)

      until, up to (denotes a temporal boundary)

      for (denotes the length of the duration of the action)

      per, every (denotes the number of repeated actions in a specified time)

      with, in, using, on (indicates medium, agent)

      for

      indicates purpose

      for (indicates ability, usefulness for something)

      on, at (indicates object of an action; not necessarily translated)

      name

      next to, beside

      to, up to

      until

      do

      C (musical note)

      up to

      until

      before

      up to, till, until

      with respect to, concerning, regarding

      (musical note) C

      only, except

      around, approximately

      due to, because of

      up to, to, until, as far as, by

      before (= при̏је/пре̏)

      beside, next (to)

      idiomatic and figurative meanings

      dale, small valley

      do

      to, toward

      to (in the fixed expression 'Welcome to...!')

      until

      by (not later than)

      D (musical note)

      Source: wiktionary.org