Continuing on my backlog of old requests: a colleague who's involved in a Catalan-English dictionary project forwarded (back in March) part of a conversation arising from an unfamiliar translation in the project. The Catalan phrase in question was apparently (no) trobar ni caps ni peus, and the lexicographer was questioning the translation of it as (not) to make heads or tails (of something), because she, a BrE speaker, would have said (not) to make head or tail (of something). Indeed, the plural version is the AmE version, and the singular the BrE version. (This is backed up by John Algeo in British or American English. He found only the singular in BrE texts in his corpus, and only plural in AmE texts.)
I suppose the reason I didn't write about that earlier is because there's not a lot more to say about it! It's unclear why the AmE version gained the plural markers. The phrase head or tail is defined by the OED as 'one thing or another', so etymologically speaking, the singular makes some sense. Growing up with the AmE version, I visuali{s/z}ed the things that one 'could not make heads or tails of' to be chaotic things--sort of like a Breughel painting as done by Jackson Pollock, where you wouldn't be able to find the heads or the tails of the beings in it. The BrE version lends it self to a visual that is imprecise, but not necessarily chaotic. But then, how one pictures such things must be a highly individual experience...
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I suppose the reason I didn't write about that earlier is because there's not a lot more to say about it! It's unclear why the AmE version gained the plural markers. The phrase head or tail is defined by the OED as 'one thing or another', so etymologically speaking, the singular makes some sense. Growing up with the AmE version, I visuali{s/z}ed the things that one 'could not make heads or tails of' to be chaotic things--sort of like a Breughel painting as done by Jackson Pollock, where you wouldn't be able to find the heads or the tails of the beings in it. The BrE version lends it self to a visual that is imprecise, but not necessarily chaotic. But then, how one pictures such things must be a highly individual experience...