Meanings
Origin
From hepta- + deca-. Compare Ancient Greek ἑπτακαίδεκα (heptakaídeka).
Full word history & related roots →Cite this entry
heptadeca-. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/heptadeca-
“heptadeca-.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/heptadeca-. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “heptadeca-,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/heptadeca-.
Source: heptadeca- on Wiktionary, CC BY-SA 4.0.