Etymology

From Late Latin diptycha, plural, from Ancient Greek, neuter plural of δίπτυχος ‎(díptukhos, “folded, doubled”), from δι ‎(di) + -πτυχος ‎(-ptukhos) (akin to Greek πτυχή ‎(ptychí, “fold, layer”)).

Pronunciation

• (Portugal) IPA^(key): /ˈdip.ti.ku/
• Hyphenation: díp‧ti‧co