સાસુ વહુમાં સાંબેલું ગેળ.

sāsu vahumāṁ sāṁbēluṁ gēḷa.

Literally: A wooden pestle passed back and forth between mother-in-law and daughter-in-law.
What it means: Endless, repetitive friction between two women sharing the same household.

Also said as

ગુજરાતી કહેવતસંગ્રહ (Gujarati Kahevat Sangrah) (1921) · read from the scan by machine — the Gujarati itself is unchecked · English is machine-made and nobody has checked it yet

Heard it differently, or know we've got the sense wrong? Tell us — that is exactly the kind of correction this needs.