Firstly

//ˈfɜɹstli// adv

Definitions

Adverb
  1. 1
    In the first place; before anything else; first. formal, not-comparable

    "Firstly, I continue to base most species treatments on personally collected material, rather than on herbarium plants. […] Secondly, I continue to base my concepts on intensive study of a limited suite of collections, rather than superficial study of every packet that comes to hand."

Adverb
  1. 1
    before anything else wordnet

Etymology

Coined before 1475, from Middle English fyrst-lyk, equivalent to first + -ly.

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