Travel
Middle English: a variant of travail, and originally in the same sense.
wiktionary
From Middle English travelen(“to make a laborious journey, travel”) from Middle Scots travailen(“to toil, work, travel”), alteration of Middle English travaillen(“to toil, work”), from Old French travailler(“to trouble, suffer, be worn out”). See travail.
Displaced native Middle English faren(“to travel, fare”) (from Old English faran(“to travel, journey”)), Middle English lithen(“to go, travel”) (from Old English līþan(“to go, travel”)), Middle English feren(“to go, travel”) (from Old English fēran(“to go, travel”)), Middle English ȝewalken, iwalken(“to walk about, travel”) (from Old English ġewealcan(“to go, traverse”)), Middle English swinken(“to work, travel”) (from Old English swincan(“to labour, work at”)). More at fare.
etymonline
travel (v.)
late 14c., "to journey," from travailen (1300) "to make a journey," originally "to toil, labor" (see travail). The semantic development may have been via the notion of "go on a difficult journey," but it also may reflect the difficulty of any journey in the Middle Ages. Replaced Old English faran. Related: Traveled; traveling. Traveled (adj.) "having made journeys, experienced in travel" is from early 15c. Traveling salesman is attested from 1885.
travel (n.)
late 14c., "action of traveling," from travel (v.). Travels "accounts of journeys" is recorded from 1590s. Travel-agent is from 1925.
