кунка

According to Bulgarian Etymological Dictionary:

• Either back-formed from the diminutive ръку́нка (rǎkúnka) of ръка́ (rǎká, “hand, arm”);
• Or cognate with dial. Russian ку́на (kúna, “handful”), of unclear origin. Possibly from the root of dialectal Bulgarian ку́я (kúja, “to forge, to smith”).

• IPA^(key):

ку́нка • (kúnka) f

1. (colloquial) hand

• ръка́ (rǎká, “arm”)
• ше́па (šépa, “hollow of the hand”)
• ки́тка (kítka, “wrist”)
• пе́стник (péstnik, “fist”)
• уд (ud, “limb”) (dialectal)

• “кунка”, in Речник на българския език [Dictionary of the Bulgarian Language] (in Bulgarian), Sofia: Bulgarian Academy of Sciences, 2014
• “кунка”, in Речник на българския език [Dictionary of the Bulgarian Language] (in Bulgarian), Chitanka, 2010
• Georgiev, Vladimir I., editor (1986), “кунка”, in Български етимологичен речник [Bulgarian Etymological Dictionary] (in Bulgarian), volume 3 (крес¹ – мѝнго¹), Sofia: Bulgarian Academy of Sciences Pubg. House, page 136