The story
From Cornish, the exact origin is unknown; possibly Old Cornish lost gwydhyel (“tail-end of the woodland”), for the second element see Breton gwez. More at Lostwithiel.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: A small town and civil parish with a town council in Cornwall, England (OS grid ref SX1059). Full definition →
From Cornish, the exact origin is unknown; possibly Old Cornish lost gwydhyel (“tail-end of the woodland”), for the second element see Breton gwez. More at Lostwithiel.
Etymology from Wiktionary, CC BY-SA 4.0.