• IPA^(key):

do-

1. a prefix, usually indicating a destination or a completed action or state

   ‎do- + ‎studovat → ‎dostudovat

   ‎do- + ‎hořet → ‎dohořet

   ‎do- + ‎cestovat → ‎docestovat

   ‎do- + ‎dělat → ‎dodělat

   ‎do- + ‎vařit → ‎dovařit

   ‎do- + ‎kouřit → ‎dokouřit

   ‎do- + ‎číst → ‎dočíst

• do- in Slovník afixů užívaných v češtině, 2017

From Old Irish do-, du-, from Proto-Celtic *dus-, from Proto-Indo-European *dus-.

• IPA^(key): /d̪ˠɔ/

do-

1. impossible, extremely difficult

   Antonym: in-

2. to
3. ill, evil

   Antonym: so-

• Ó Dónaill, Niall (1977), “do-”, in Foclóir Gaeilge–Béarla, Dublin: An Gúm, →ISBN
• Gregory Toner, Sharon Arbuthnot, Máire Ní Mhaonaigh, Marie-Luise Theuerkauf, Dagmar Wodtko, editors (2019), “do-, du-”, in eDIL: Electronic Dictionary of the Irish Language

do-

1. Rōmaji transcription of ど

From Old Irish do-, du-.

do-

1. non-, un-

• Gregory Toner, Sharon Arbuthnot, Máire Ní Mhaonaigh, Marie-Luise Theuerkauf, Dagmar Wodtko, editors (2019), “do-, du-”, in eDIL: Electronic Dictionary of the Irish Language

From Proto-Celtic *dus-, from Proto-Indo-European *dus-.

• du-

do-

1. impossible, extremely difficult
2. ill, evil

   Synonym: mí-

• so-, su-

do-

1. pretonic form of dí-
2. pretonic form of to-

• Gregory Toner, Sharon Arbuthnot, Máire Ní Mhaonaigh, Marie-Luise Theuerkauf, Dagmar Wodtko, editors (2019), “do-, du-”, in eDIL: Electronic Dictionary of the Irish Language

Inherited from Proto-Slavic *do-.

• IPA^(key): (10^th–15^th CE) /dɔ/
• IPA^(key): (15^th CE) /dɔ/

do-

1. appended to verbs to indicate completion

   ‎do- + ‎mówić → ‎domówić

2. appended to verbs to indicate addition or furthering a previous process

   ‎do- + ‎sypać → ‎dosypać

3. appended to verbs to indicate addition or approaching a goal

   Antonyms: od-, ode-

   ‎do- + ‎ić → ‎dojć

Inherited from Old Polish do-.

• IPA^(key): /dɔ/

• Audio:

  (file)

• Rhymes: -ɔ
• Syllabification:

do-

1. appended to verbs to indicate completion

   ‎do- + ‎kończyć → ‎dokończyć

2. appended to verbs to indicate addition or furthering a previous process

   ‎do- + ‎lać → ‎dolać

3. appended to verbs to indicate addition or approaching a goal

   Antonyms: od-, ode-

   ‎do- + ‎iść → ‎dojść

• do- in Polish dictionaries at PWN

From Old Irish do-, du-.

do-

1. un-

• ao-
• mì-
• eu-
• neo-

• Gregory Toner, Sharon Arbuthnot, Máire Ní Mhaonaigh, Marie-Luise Theuerkauf, Dagmar Wodtko, editors (2019), “do-, du-”, in eDIL: Electronic Dictionary of the Irish Language

From Proto-Slavic *do-. Prefixed form of the preposition do.

• IPA^(key): /dɔ-/

do-

1. Forms perfective verbs with the following meanings:
   1. to finish

      ‎do- + ‎zídati (“to build”) → ‎dozídati (“to finish building”)

   2. up to, to reach

      ‎do- + ‎téči (“to run”) → ‎dotéči (“to catch up with”)

   3. to add

      ‎do- + ‎líti (“to pour”) → ‎dolíti (“to add by pouring”)