Fortieths

Part of speech: noun

Definitions

1. The ordinal number representing the position in a sequence that comes after thirty-ninth and before forty-first
2. The term used to denote one of forty equal parts of something, particularly in measurements or divisions
3. A fractional expression indicating one part out of forty, commonly used in contexts of division or ranking

Etymology: The term in question is a plural noun formed by combining "fortieth," an ordinal number, with the plural suffix "-s." The ordinal "fortieth" itself traces back to the cardinal number "forty," which derives from Old English "feowertig," meaning "four tens." This Old English term is rooted in the Germanic languages, sharing cognates with Old High German "fierzig" and Old Norse "fjörutíu," all indicating the number 40. The suffix "-ieth" in "fortieth" is a standard English ordinal ending that evolved from the Old English suffix "-þa," used to form ordinals from cardinals. Over time, this suffix shifted into the modern "-ieth" or "-eth" form for numbers ending in "y," such as "twentieth" or "thirtieth." The plural "-s" is simply the regular marker for nouns in English, indicating more than one unit—in this case, multiple instances of the fortieth part of something. In mathematical and fractional contexts, "fortieths" refers to the division of a whole into forty equal parts, with each part being one-fortieth. This fractional usage has been present in English since at least the Middle Ages, as the need for precise measurements and divisions arose in commerce, science, and daily life. The plural form naturally emerged as more than one such division or fraction was considered or counted. Thus, the word combines a long-standing system of numbering with the grammatical structures of English pluralization, reflecting how language adapts numeric concepts into everyday vocabulary. Its formation is straightforward yet firmly rooted in the history of English numerical terms.

Synonyms: fortieth parts, one-fortieths, fractions, portions