mildness

noun

Etymology: From Middle English mildenesse, from Old English mildnes, mildness, equivalent to mild + -ness. Cognate with Old High German miltnissa (“compassion, mercy, sympathy, pity”).

1. The quality of being mild; gentleness.

   “A ſnowy Feather ſpangled white he beares, To ſignifie the mildneſſe of his minde, That ſatiate with ſpoile refuſeth blood:”