"incised engraving" (as opposed to carving in relief), 1640s, from Italian intaglio "engraved work" (plural intagli), from intagliare "to cut in, engrave," from in- "in" (from PIE root *en "in") + tagliare "to cut," from Late Latin taliare "to split" (see tailor (n.)).
insurmountable
insurrection
insurrectionary
insusceptible
intact
intaglio
intail
intake
intangible
integer
integral