filigrain

or fil·i·grane

[ fil-i-greyn ]
/ ˈfɪl ɪˌgreɪn /

noun

Origin of filigrain

1660–70; < French filigrane watermark, filigree < Italian filigrana < Latin fīli-, combining form of fīlum thread + grāna, plural of grānum grain
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019