IPA: /vɛˈstɪdʒɪəli/
KK: /vɛˈstɪdʒɪəli/
In a way that is a remnant or leftover from an earlier stage of development, often referring to something that has lost its original function or significance.
The organ is vestigially present in some species, indicating its evolutionary past.
Vestigially → It is formed from "vestigium" (meaning footprint or trace) and the suffix "-ally" (meaning in a manner relating to). The word "vestigially" refers to something that exists in a trace or remnant form, often indicating a reduced or less functional state.
Think of a 'trace' or 'footprint' ('vestigium') that remains from something larger, and remember that 'vestigially' describes something that exists in a reduced or remnant form.