Related to Tamilஅகத்தான்(akattāṉ, “one who is in, householder”), Tamilஓர்-அகத்தி, ஓர்-அகத்தாள்(ōr-akatti, ōr-akattāḷ, “husband's brother's wife [i.e. she who is in one and the same house with oneself.”). Cognate with Malayalamഇല്(il, “House, place.”)