xan ja'u lujvo

x₁ is a fingernail of x₂

For "toenail", see jmaja'u

lensisku

In notes:

jmaja'u: x₁ is a toenail of x₂
xandegycalku: c₁ is a fingernail of finger c₂=d₁ of body d₃.
xantajycalku: c₁ is the thumbnail of body t₃=j₂.