Learn English – term for one-and-a-half week

word-request

I'm wondering if there is a shortcut term for "one-and-a-half weeks", perhaps a word like "sesquiennial" (one-and-a-half years).

Is there such a word? Sesqui-weekly? It sounds funny and wrong. Are there sesqui- terms for other date ranges?

Best Answer

The closest I can think of is "a week and a half", slightly shorter and more relaxed than "one and...". Not too many people use the sesqui- forms for anything in ordinary writing or speech.

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