English
innocuousness
From innocuous + -ness.
A compound of innocuous + -ness
Proto-Indo-European *neḱ- ‘to perish, disappear’
…
Proto-Italic *nokeō ‘to harm, hurt, injure’
Latin noceō ‘to harm, damage’
Latin nocuus ‘harmful’
Latin innocuus ‘harmless’
English innocuous
Today it means
noun The condition of being innocuous
Language periods are conventional ranges, not dates for this word.
Etymograph / innocuousness