Sailing
来自Big Physics
Old English segel (noun), seglian (verb), of Germanic origin; related to Dutch zeil and German Segel (nouns).
wiktionary
sailing
From Middle English saylinge, seilinge, variants of sailende, seilende; equivalent to sail + -ing.
From Middle English sailyng, seyling; equivalent to sail + -ing.
etymonline
sailing (n.)
Old English seglinge, verbal noun from the source of sail (v.).