- seam (n.)
- Old English seam, from Proto-Germanic *saumaz (cf. Old Norse saumr, Old High German soum, German Saum), from PIE root *siw-/*sju- "to sew" (cf. Old English siwian, Latin suere, Sanskrit syuman; see sew).
Chidynge and reproche vnsowen the semes of freendshipe in mannes herte. [Chaucer, "Parson's Tale," c.1386]Meaning "raised band of stitching on a ball" is recorded from 1888. Geological use is from 1590s.