ibu kunci
Malay
Etymology
Literally "key's mother". Compare Thai แม่กุญแจ (mɛ̂ɛ-gun-jɛɛ), Lao ແມ່ກະແຈ (mǣ ka chǣ). (This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium. Particularly: “calque of Thai, or vice versa, or both from another language?”)
Noun
ibu kunci (plural ibu-ibu kunci)