[EN] Support for 'etymid' template

[lasconic]

• Wiktionary page: https://en.wiktionary.org/wiki/early

Wikicode:

{{etymid|en|adjective}}

Output:

<i>Etymid</i> <b>adjective</b>

Expected: Not sure... maybe just

<b>adjective</b>

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Model link, if any:

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[BoboTiG]

It seems a template to create a sub-section. What if we skip it?