Etymograph

English

traitorously

From traitorous + -ly.

A compound of traitorous + -ly

Anglo-Norman traiterous

Middle English trayterous

English traitorous

Today it means

adv In a traitorous manner; treacherously.

Sources

Sources: Wiktionary, “traitorously”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.

Etymograph / traitorously