Where does “unforgiveness” come from?

I need to work through this etymology chain carefully, but I notice something problematic: the chain provided doesn't actually trace "unforgiveness" back coherently. The chain jumps from "English forgiveness" to "Latin unus" (meaning 'one'), which has no semantic or morphological connection to forgiveness. Looking at what's actually in the chain: - English forgiveness → Latin unus (one) → Proto-Indo-European óynos (one) → etc. This chain appears to trace the prefix "un-" rather than the full word "unforgiveness," and it's incomplete or corrupted because: 1. "Forgiveness" itself isn't etymologized 2. The jump to Latin "unus" suggests only the "un-" prefix is being traced 3. The chain doesn't support the full meaning of "unforgiveness" **I cannot write an accurate one-sentence summary because

unforgiveness (English): Lack of forgiveness

Definitions

  1. Lack of forgiveness

Ancestry of “unforgiveness”, step by step

unforgiveness traces back through two separate lines of ancestry.

via English forgiveness

StepLanguageWordMeaning
1EnglishforgivenessThe action of forgiving; Readiness to forgive
2Middle Englishforgiveness
3Old Englishforġiefnesforgiveness
4Old English-nesUsed to form abstract nouns, usually from...
5Proto-West Germanic-nassīUsed to form abstract nouns, usually from...
6Proto-Germanic-inassuz-ness
7Proto-West Germanic-ness, -th
8Proto-Germanic-į̄-th
9Proto-Indo-European-íh₂
10Proto-Indo-European-h₂Creates collective nouns, which refer to groups...

via English un

StepLanguageWordMeaning
1EnglishunOne
Every word from Proto-Indo-European -h₂Every word from Old English -nesEvery word from Proto-Germanic -į̄