1o
French, adverb/pʁi.mo/
1o is spelled O (one letter) and appears about once in every 4 million words in written French, the 68,150th most frequent French word form (wordfreq, 2021 data). 1o is a French adverb meaning “1st (abbreviation of primo)” (English Wiktionary, September 2026). The French Wiktionary (Wiktionnaire) defines it as “Primo”.
What does 1o mean in English?
adverb
- 1
1st (abbreviation of primo)
Source: English Wiktionary, French section, dump of September 2, 2026 (CC BY-SA 4.0).
How French dictionaries define it
adverb: 1. Primo.
The definition in the French Wiktionary (Wiktionnaire), in French.
Source: French Wiktionary (Wiktionnaire), dump of September 1, 2026 (CC BY-SA 4.0), through kaikki.org.
Forms of 1o
- 1ᵒ canonical
Source: English Wiktionary and French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026).
How do you pronounce 1o?
- /pʁi.mo/
- \pʁi.mo\
Sources: English Wiktionary, French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026); recordings from Wikimedia Commons.
How common is 1o in French?
1o appears about once in every 4 million words in written French.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).