D defs.my
Entry 1 sense Webster, 1913

Archi-

· Ar·chi- · IPA /ɑː(ɹ)kɪ/
01 A prefix signifying chief, arch; as, architect, archiepiscopal. In (Biol.) and (Anat.) it usually means primitive, original, ancestral; as,…
  1. 1.
    A prefix signifying chief, arch; as, architect, archiepiscopal. In (Biol.) and (Anat.) it usually means primitive, original, ancestral; as, archipterygium, the primitive fin or wing.(Biol.)