מַחֲלַתmachălath

apparently a catchword in a song, giving name to tune; meaning dubious (Psalms 53:1; Psalms 88:1)

Pronunciation: makh-al-ath' · Hebrew/Aramaic (Old Testament) · H4257

Same root

חָלָהchâlâh · H2470properly, to be rubbed or worn; hence (figuratively) to be weak, sick, afflicted; or (causatively) to grieve, make sick; also to stroke (in flattering), entreat
מַחֲלַתMachălath · H4258Machalath, the name of an Ishmaelitess and of an Israelitess

Where it appears

Appears 2 times in the Bible.

Psalms 53:0
Psalms 88:0

Source: Brown, Driver and Briggs, Hebrew and English Lexicon of the Old Testament (1906), public domain; markup by unfoldingWord, CC BY (github.com/unfoldingWord/Brown-Driver-Briggs-Enhanced).