fix #198: Keep the whole etymology

[lasconic]

• Fixes Keep the whole etymology #198
• Tests added/updated.
• ./check.sh run and eventual issues fixed.
• Updated CONTRIBUTORS.md, if not already done in the past.

[sourcery-ai]

Sourcery Code Quality Report

❌  Merging this PR will decrease code quality in the affected files by 1.34%.

Quality metrics	Before	After	Change
Complexity	13.86 🙂	15.16 🙂	1.30 👎
Method Length	69.63 🙂	70.71 🙂	1.08 👎
Working memory	16.53 ⛔	16.54 ⛔	0.01 👎
Quality	58.08% 🙂	56.74% 🙂	-1.34% 👎

Other metrics	Before	After	Change
Lines	3032	3141	109

Changed files	Quality Before	Quality After	Quality Change
tests/test_4_check_word.py	93.24% ⭐	93.27% ⭐	0.03% 👍
tests/test_4_get_word.py	93.97% ⭐	94.06% ⭐	0.09% 👍
tests/test_ca.py	43.55% 😞	43.14% 😞	-0.41% 👎
tests/test_en.py	41.78% 😞	41.19% 😞	-0.59% 👎
tests/test_es.py	43.10% 😞	42.46% 😞	-0.64% 👎
tests/test_fr.py	35.55% 😞	35.11% 😞	-0.44% 👎
tests/test_pt.py	45.71% 😞	45.19% 😞	-0.52% 👎
wikidict/check_word.py	39.42% 😞	36.73% 😞	-2.69% 👎
wikidict/convert.py	51.90% 🙂	53.03% 🙂	1.13% 👍
wikidict/get_word.py	55.23% 🙂	48.15% 😞	-7.08% 👎
wikidict/render.py	49.78% 😞	46.95% 😞	-2.83% 👎
wikidict/utils.py	61.47% 🙂	60.97% 🙂	-0.50% 👎

Here are some functions in these files that still need a tune-up:

File	Function	Complexity	Length	Working Memory	Quality	Recommendation
wikidict/convert.py	KoboFormat.save_html	69 ⛔	326 ⛔	20 ⛔	7.88% ⛔	Refactor to reduce nesting. Try splitting into smaller methods. Extract out complex expressions
wikidict/check_word.py	filter_html	42 ⛔	293 ⛔	16 ⛔	16.08% ⛔	Refactor to reduce nesting. Try splitting into smaller methods. Extract out complex expressions
wikidict/render.py	find_etymology	34 ⛔	282 ⛔	17 ⛔	18.21% ⛔	Refactor to reduce nesting. Try splitting into smaller methods. Extract out complex expressions
wikidict/render.py	find_section_definitions	54 ⛔	228 ⛔	13 😞	20.48% ⛔	Refactor to reduce nesting. Try splitting into smaller methods. Extract out complex expressions
wikidict/get_word.py	get_and_parse_word	31 😞	233 ⛔	16 ⛔	22.86% ⛔	Refactor to reduce nesting. Try splitting into smaller methods. Extract out complex expressions

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• ⛔ very poor

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