1 openwork

2 fretwork

1 to engrave

1 to engrave

1 to carve

2 to engrave

1 engraved in one's heart and carved in one's bones (idiom); to remember a benefactor as long as one lives

2 undying gratitude

1 etched in one's bones and heart (idiom); ever-present memory (esp. resentment)

1 etched in one's bones and heart (idiom); ever-present memory (esp. resentment)