helst

Etymology
From.

Etymology
From.

Etymology
From.

Etymology 1
From.

Etymology
From.

Adverb

 * : most of all (most preferably)
 * 1)  preferably
 * 1)  preferably

Usage notes
Can also be analyzed as "most preferably" in, which is closer to the native intuition: "The most preferred thing is to not drink corrosive acid." That meaning is equivalent to "preferably" though.