knitted fabric, 1859, from French tricot "knitting, knitted work," from tricoter "to knit," of uncertain origin, probably a variant of Old French estriquer "to smooth," from a Germanic source (such as Middle Low German striken "pass over lightly").
trickery
trickle
trickster
tricky
tricolor
tricot
tricuspid
tricycle
trident
tried
triennial