I. -ˌmōst adjective
Etymology: Middle English formest, from Old English, superlative of forma first; akin to Old High German fruma advantage, Old English fore fore
Date: before 12th century
1. : first in a series or progression
2. : of first rank or position : preeminent
II. adverb
Date: before 12th century
1. : in the first place
2. : most importantly
first and foremost