asna fu'ivla

x₁ is a body position/posture/stance/pose/asana of body x₂ characterized by property/(set of) properties x₃ (ka).

In notes:

tarby'asna: a₁ is a/the fetal position of body a₂ characterized by property/(set of) properties a₃ (ka).
asnrtarbi: a₁ is a/the fetal position of body a₂ characterized by property/(set of) properties a₃ (ka).
abu zei sance: x₁ is an open/low central unrounded vowel sound produced by x₂.