Plural of hemstitch as a noun (multiple hemstitched patterns); third-person singular present tense of the verb hemstitch.
Regular formation from 'hemstitch'—the plural noun adds '-es' following the pattern for words ending in 'ch,' and the verb conjugates regularly in third person.
The different patterns of hemstitches created by artisans—some diamond-shaped, some in waves—became regional signatures, so collectors can sometimes identify where a piece of linen was made just by examining the characteristic hemstitches.
Complete word intelligence in one call. Free tier — 50 lookups/day.