млезга

Either a conflation of dialectal млези́во (mlezívo, “colostrum”) and мъзга́ (mǎzgá, “sap”), or perhaps from an earlier Proto-Slavic *melzga (no direct cognates in other Slavic languages).

• IPA^(key): [mlɛˈzɡa]

млезга́ • (mlezgá) f (dialectal)

1. sap, serum, plant's juice

• млязга́ (mljazgá) — Eastern dialects

• мълзя́ (mǎlzjá, “to milk (a dairy animal)”)
• млеч (mleč, “latex”)
• мля́ко (mljáko, “milk”)

• “млязга”, in Речник на българския език [Dictionary of the Bulgarian Language] (in Bulgarian), Sofia: Bulgarian Academy of Sciences, 2014
• Nayden Gerov (1899) “млѣзга́”, in Рѣчникъ на Блъгарскꙑй язꙑкъ. Съ тлъкувание рѣчи-тꙑ на Блъгарскꙑ и на Русскꙑ. [Dictionary of the Bulgarian language]‎^[1] (in Bulgarian), volume 3, Plovdiv: Дружествена печꙗтница "Съгласие.", page 74
• Georgiev, Vladimir I., Duridanov, I. V., editors (1995), “млезга”, in Български етимологичен речник [Bulgarian Etymological Dictionary] (in Bulgarian), volume 4 (мѝнго² – па̀дам), Sofia: Prof. Marin Drinov Pubg. House, →ISBN, page 165