нельга

• nielha, nieĺha — Łacinka (Belarusian Latin alphabet)

From Proto-Slavic *ne / *ně + *lьga (“possibility”), likely related to *lьgъkъ (whence лёгкі (ljóhki, “light, easy”)). By surface analysis, не (nje) +‎ льга (lʹha).

Compare Russian нельзя́ (nelʹzjá), Ukrainian нільга́ (nilʹhá), Old Church Slavonic льзѣ (lĭzě, “possible, possibly”), Slovak nelza, nelzä, neľzä, Old Polish nielza, also modern Slovene lahko (“may, be allowed”)

• IPA^(key): [ˈnʲelʲɣa]
• Rhymes: -elʲɣa

не́льга • (njélʹha) (impersonal, invariable)

1. it is impossible, one cannot, you can't

   Synonyms: немагчы́ма (njemahčýma), немажлі́ва (njemažlíva)

2. it is prohibited, it is forbidden, it is not allowed, one must not
3. one cannot

• “нельга” in Belarusian–Russian dictionaries and Belarusian dictionaries at slounik.org
• “нельга”, in Skarnik's Belarusian dictionary (in Belarusian), based on Kandrat Krapiva's Explanatory Dictionary of the Belarusian Language (1977-1984)