IPA: /ˈleɪɪkli/
KK: /ˈleɪɪkli/
In a way that is characteristic of a layperson, or someone who is not a professional or expert in a particular field.
He explained the complex theory laically so that everyone could understand it.
Laically → It is formed from "laic" (from Greek "laikos", meaning of the people) and "-ally" (meaning in a manner relating to). The word "laically" refers to something done in a manner pertaining to the laity or the general public, as opposed to the clergy.
Think of 'laic' meaning 'of the people' and remember that 'laically' describes actions or perspectives that relate to the general public.