แม่อยู่หัว • (mɛ̂ɛ-yùu-hǔua)
From แม่ (mɛ̂ɛ, “lady; mother; mistress; woman; etc”) + อยู่ (yùu, “to be at, in, on, etc; to remain, to stay; etc”) + หัว (hǔua, “head”); literally "lady above [all/our] heads", "lady at [our] heads", etc.