костура

• IPA^(key): [koˈsturɐ]
• Syllabification^(key): ко‧сту‧ра
• Hyphenation^(key): кос‧ту‧ра

The Bulgarian Etymological Dictionary summarizes several hypotheses:

• per Trubachyov and Melnychuk, from the o-grade of Proto-Indo-European *kes- (“to scrape, comb”) + -tr-.
• per Skok and others - from Romanian custură (“blade, knife edge”).
• per Mladenov and others - from кост (kost, “bone”).

косту́ра • (kostúra) f (diminutive косту́рка) (archaic, dialectal)

1. knife without a handle
2. used, dull knife
3. folding knife, pocketknife

• “костура”, in Речник на българския език [Dictionary of the Bulgarian Language] (in Bulgarian), Sofia: Bulgarian Academy of Sciences, 2014
• Georgiev, Vladimir I., editor (1979), “костур, костура”, in Български етимологичен речник [Bulgarian Etymological Dictionary] (in Bulgarian), volumes 2 (и – крепя̀), Sofia: Bulgarian Academy of Sciences Pubg. House, page 666

See the etymology of the corresponding lemma form.

косту́ра • (kostúra)

1. inflection of косту́р (kostúr, “perch, bass”):
   1. definite object singular
   2. count form

• “костур”, in Речник на българския език [Dictionary of the Bulgarian Language] (in Bulgarian), Sofia: Bulgarian Academy of Sciences, 2014
• “костур”, in Речник на българския език [Dictionary of the Bulgarian Language] (in Bulgarian), Chitanka, 2010