Mid-16th century. Original meaning was somewhat idiomatic, meaning "to walk using snowshoes." Probably of Scandinavian origin, compare Icelandic þrūga (“snowshoe”), Norwegian truga (“snowshoe”) and dialectal Swedish trudja (“snowshoe”).
trudge (plural trudges)
- (intransitive) To walk wearily with heavy, slow steps.
- (transitive) To trudge along or over a route etc.
- “trudge” in Webster’s Seventh New Collegiate Dictionary: Based on Webster’s Third New International Dictionary, 7th edition, Springfield, Mass.: G[eorge] & C[harles] Merriam, 1963 (1967 printing), OCLC 974117641.