EPONYMY
Source: 567
E‐pon″y‐my (?), n. [] The derivation of the name of a race, tribe, etc., from that of a fabulous hero, progenitor, etc.
Source: 567
E‐pon″y‐my (?), n. [] The derivation of the name of a race, tribe, etc., from that of a fabulous hero, progenitor, etc.