The word "halh" may seem confusing to those unfamiliar with Old English spelling. However, the word is actually pronounced as /hælx/ in IPA phonetic transcription. The "h" is pronounced with a slight breath sound, followed by the short "a" vowel sound. The "l" sound is then pronounced, followed by a soft "kh" sound at the end. The word "halh" actually means "nook" or "recess" and was commonly used in Old English to describe a small, sheltered area.
The word "halh" originated from Old English, in which it was spelled "healh". It is derived from the Proto-Germanic word "hailaz", meaning "corner" or "angle". Over time, the spelling and pronunciation of the word changed, and it eventually became "halh" in Middle English. In modern English, "halh" evolved into the word "hollow", which refers to a low-lying area or a sunken area in the landscape.