Twelf

Part of speech: noun

Definitions

1. An archaic form of the number twelve, the cardinal figure that comes after eleven and before thirteen
2. Obsolete spelling for the numeral equal to one dozen, one more than eleven in the counting sequence
3. Old English variant denoting the quantity of twelve units, the sum of six and six or of three times four

Etymology: The Germanic name for twelve likely meant "two left," reflecting a counting system that ran through ten and then added two more. The first element, "two," is the same root as English "two," and the second, "-lif," is related to the Old English verb "lifan," meaning "to remain." Old English "twelf" carried that sense into the language, and cognates appear across the Germanic family, including Gothic "twalif" and Old High German "zwelif." The "leftover" reading is the usual explanation, and it fits the pattern of how number names were built. Over the Middle English period, the final "f" in "twelf" softened to "v" in most positions, and "twelve" became the standard form. The older "f" survived in words where it was protected by a following consonant, most visibly in "twelfth," the ordinal. "Twelvemonth," a term for a year that dates back to Old English, keeps the "v" form in a compound.