оток

From Proto-Slavic *o(b)tokъ, formed as о- (o-) +‎ ток (tok, “current”).

• IPA^(key): [oˈtɔk]

ото́к • (otók) m (related adjective ото́чен)

1. (dialectal) reflux, drainage

   Synonyms: отлив (otliv), дренаж (drenaž)

2. (dated) island, deposition of sediments within stream (river, ocean current, whirlpool)

   Synonym: остров (ostrov)

• изток (iztok, “east, Orient”)
• отток (ottok, “outflow, drainage”)
• поток (potok, “stream, brook”)
• приток (pritok, “influx, tributary”)
• проток (protok, “duct, channel”)

• отокъ¹ in Исторически речник на Българския език, published by Sofia University "St. Clement Ohridsky"
• Georgiev V. I., Duridanov I., editor (1995), “ото̀к”, in Български етимологичен речник [Bulgarian Etymological Dictionary] (in Bulgarian), volume 4, Sofia: Bulgarian Academy of Sciences, page 967

From Proto-Slavic *o(b)tekъ, *o(b)tokъ. Effectively, a resultant noun of Bulgarian отека (oteka), отичам (otičam, “to tumefy”).

For the semantic development flow → swelling, blister, compare Bulgarian осип (osip, “rash, papule”) (from Bulgarian осипя (osipja, “to secrete, to pour”)).

• IPA^(key): [ˈɔtok]

о́ток • (ótok) m

1. edema, swelling, tumefaction (both as a result of an injury or as a medical sign for some disease)

   Synonyms: подутина (podutina), цицина (cicina)

• отик (otik)

• тека (teka, “to flow, to stream”)
• тичам (tičam, “to run”)
• точа (toča, “to drain”)
• тек (tek, “stream, flowth, duration”)
• ток (tok, “current”)

• оток in Rečnik na bǎlgarskija ezik (Institut za bǎlgarski ezik)
• отокъ² in Исторически речник на Българския език, published by Sofia University "St. Clement Ohridsky"
• Georgiev V. I., Duridanov I., editor (1995), “о̀ток”, in Български етимологичен речник [Bulgarian Etymological Dictionary] (in Bulgarian), volume 4, Sofia: Bulgarian Academy of Sciences, page 967

• IPA^(key): [ˈɔtɔk]

оток • (otok) m

1. swelling
2. (colloquial) annoyance, nagging, pain in the neck

о- +‎ ток

• IPA^(key): /ǒtok/
• Hyphenation: о‧ток

о̀ток m (Latin spelling òtok)

1. (chiefly Croatia) island

• (island): (Bosnian, Serbian) о̏стрво

• IPA^(key): /ôtoːk/
• Hyphenation: о‧ток

о̏то̄к m (Latin spelling ȍtōk)

1. swelling

• (swelling): о̀теклина

Borrowed from Written Oirat ᡆᡐᡆᡎ (otog). Compare also Kalmyk отг (otg), Buryat отог (otog), Mongolian отог (otog).

оток • (otok)

1. a tribal subdivision