selvage (also selvedge)

n edge of cloth woven so that it will not unravel or fray （布的）织边.

self-willed, self-winding, selfish, selfishly, selfishness, selfless, selflessly, selflessness, selfsame, sell, sell off, sell out, sell up, sell-by date, sell-out, seller, seller's market, selling price, selling-point, Sellotape, selves, semantic, semantics, semaphore, semblance, semen, semester, semi, semi-, semi-conscious, semi-detached, semi-skilled, semibreve, semicircle, semicircular, semicolon, semiconductor, semifinal, semifinalist, seminal,