Fell sideways holding some cloth (4)

I believe the answer is:

ells

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'cloth' is the definition.
Although both the answer and definition are nouns, they are not in the same form of the noun.

'fell sideways holding some' is the wordplay.
'some' indicates a hidden word.
'ELLS' can be found hidden inside 'fell sideways holding'.

Can you help me to learn more?

(Other definitions for ells that I've seen before include "Old English lengths" , "Lengths of cloth" , "Old yards" , "Cloth measures" , "Former length measures" .)

I've seen this clue in the Sydney Morning Herald.

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