3.1.38 उषविदजागृभ्योऽन्यतरस्याम्
SV: उष-विद-जागृभ्यः अन्यतरस्याम्
AV: लिटि आम्
Language Meaning: The affix आम् is optionally used after these - उष् ‘to burn’, विद् ‘to know’ and जागृ ‘to wake’, when लिट् (Perfect Tense) follows.
Literal Meaning:
AV : (if) sand mound below (s)till inside (water)
उ up ष point व wave इ inward द roll जा widen upto ग live(fish) ऋ superior अपादान (भ्य steady/vertical join), अ here न्य pull join त tumbi र flow स्याम् align join upto inside
Literal 2:
the mound is to be upto inside (water) pointing up till incoming tide widens live fish into verticle/steady join, here pull join (heap) inside till it aligns with floating tumbi
commentary
अन्यतरस्याम् = अ here न्य pull join म् in side स्या till (it) aligns join with तर floating tumbi