The process of creating or dealing with dottle; gerund form if 'dottle' is used as a verb.
From 'dottle' with the gerund suffix '-ing', which creates nouns from verbs and shows continuous action.
Even obscure historical terms can be productively extended with modern suffixes—'dottling' probably doesn't appear in modern texts, but it's grammatically valid, showing English's flexibility and how dead occupational vocabulary could theoretically be revived with the right '-ing'.
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