ओरावश्यके
SV: ओः आवश्यके
AV: कृत् कृत्याः ण्यत्
Language Meaning: The affix ण्यत् comes after a verb that ends in the letter उ - long or short, when the sense is that of ‘necessity’.

Literal Meaning: of
point of separation water up to wave erect/long connect received at stone/hand
from water wave long connect to hand held
Literal meaning alternative: - of
outward hard - untill wave erect connect received at hand