This analysis finds phonetic changes in Germ, g and its development in pre-Germanic, suggesting a consistent pattern.
Initially the above would fall together, probably in pre-Germanic, and become Germ, g before u, original or developed, otherwise uniformly w. The examples given by some as evidence of the change of initial g w h - to Germ, g before other vowels are all fallacious. Initially before consonants occurs g.
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A 1926 study studied this question.
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