Softness
来自Big Physics
wiktionary
From Middle English softnesse, from Old English sōftnes, alteration of earlier sēftnes. Equivalent to soft + -ness.
etymonline
softness (n.)
Old English softnes "ease, comfort; state of being soft to the touch; luxury;" see soft (adj.) + -ness. Meaning "weakness of character, effeminacy" is from c. 1600.
