Etymology

From Late Latin somnolentia, derived from Latin somnus ‎(“sleep”), from Proto-Indo-European *swépnos.

Pronunciation

• IPA^(key): /son.noˈlɛn.t͡sa/, [s̪on̺ːoˈl̺ɛn̪t̪͡s̪ä]
• Hyphenation: son‧no‧lèn‧za