firstly
first-ly · adverb
Definitions
adverb
- 1.
Used to introduce the first point in a list or sequence of arguments.
- 2.
Before anything else; in the first place.
Phrases & expressions
- •firstly and foremost — most importantly (though "first and foremost" is more common)
Related words
Etymology
From first + -ly (adverb-forming suffix). First comes from Old English fyrst, superlative of fore ("before").