do-

do-

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

• 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, to

   Antonym: in-

2. ill, evil

   Antonym: so-

• "do-" in Foclóir Gaeilge-Béarla, An Gúm, 1977, by Niall Ó Dónaill.
• C. Marstrander, E. G. Quin et al., editors (1913–76), “do-, du-”, in Dictionary of the Irish Language: Based Mainly on Old and Middle Irish Materials, Dublin: Royal Irish Academy, →ISBN

From Old Irish do-, du-.

do-

1. non-, un-

• C. Marstrander, E. G. Quin et al., editors (1913–76), “do-, du-”, in Dictionary of the Irish Language: Based Mainly on Old and Middle Irish Materials, Dublin: Royal Irish Academy, →ISBN

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

• du-

do-

1. impossible, extremely difficult, to
2. ill, evil

• so-, su-

do-

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

• C. Marstrander, E. G. Quin et al., editors (1913–76), “do-, du-”, in Dictionary of the Irish Language: Based Mainly on Old and Middle Irish Materials, Dublin: Royal Irish Academy, →ISBN

do-

1. further, additionally
2. completing something unfinished

• do- in Polish dictionaries at PWN

From Old Irish do-, du-.

do-

1. un-

• ao-
• mì-
• eu-
• neo-

• C. Marstrander, E. G. Quin et al., editors (1913–76), “do-, du-”, in Dictionary of the Irish Language: Based Mainly on Old and Middle Irish Materials, Dublin: Royal Irish Academy, →ISBN

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”)