firstable

First of all; firstly

Adverb

  1. First of all; firstly
    • The point of view we bring in these notes has a double interest; firstable it tends to unify the language of functional inequalitites of type Poincaré to the field of processes continuously depending on their past; -...
    • Firstable you won't believe all the responsibility I have over my shoulders. - 2014, Gregory A. Smith, Public Schools That Work: Creating Community, →ISBN, page 194:
    • Firstable the Italian was disrupting the timing of the “bulls”, it was getting late for the next bull to be ejected. - 2014, Victor H. Acuna, An Ecuadorian Festivity: Close to Heaven, →ISBN:

Origin

Eggcorn of first of all.