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It was difficult to phrase what I mean in an accurate and precise way here.
This is similar to a fossil word, but fossil words are words which have fallen out of general use except where they are preserved in an expression. (for example fro in the expression to and fro)
I'm talking about a word that is still in general use for its prior purpose, is also used for something directly derived from this meaning, but that this derivation no longer makes sense.
That's called the 'generalization / extension / broadening' of meaning: words with concrete meaning (like 'dialing' meaning 'calling by turning the round wheel on the phone') begin to mean more general things (now 'dialing' means 'calling from any kind of phone'). There are many examples of such generalization: manuscript once meant only handwritten documents, now it means any authorized copy, both handwritten and printed; picture once meant only a painting, now it means any kind of image, even photos; pipe used to mean "a musical wind instrument" now it can mean "any hollow oblong cylindrical body"(e. g. water pipes); in Russian стрелять (from стрела 'arrow') used to mean only 'to shoot arrows', now it means shooting from any kind of weapon, even from tanks and with missiles.
