English
sillyness
From silly + -ness.
Formed from silly + -ness
Proto-Germanic *sēliz ‘happy’
Proto-West Germanic *sāli ‘happiness’
Proto-West Germanic *sālīg ‘blissful’
Old English sǣliġ ‘lucky’
Middle English seely
English silly
Today it means
noun —
Sources
Sources: Wiktionary, “sillyness”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.
Etymograph / sillyness