新し

Etymology 1
Shift in meaning from classical adjective.

By metathesis both meanings of and  were compounded into this atarashi around the developmental stages of, while aratashi fell out of use. See for further details of its etymology.

Adjective

 * 1)  new, novel
 * 2)  latest, recent
 * 3)  modern
 * 4)  fresh

Etymology 2
From.

Derived from adjectival noun 🇰🇲.

By metathesis this aratashi and merged into atarashi above around the developmental stages of. See for further details of its etymology.

Adjective

 * : new, novel

Etymology 3
From.

Derived from root 🇰🇲.

Adjective

 * 1)  Same as  above