From Wiktionary, the free dictionary
Compare Old Chinese 語 (OC *ŋaʔ)
ངག • (ngag)
- speech, voice
- དངགས (dngags) in སྙན་དངགས (snyan dngags, “poetry”)
- མངག (mngag, “to commission, to charge, to delegate”)
- སྔག (sngag, “to praise, to commend, to extol”)
- སྔགས (sngags, “spell, mantra”)