Astanga Hrudaya
शब्दान्यत्वमभिन्नेऽर्थे शुक्तिरष्टमिका पिचू । पलं प्रकुञ्चो बिल्वं च मुष्टिराम्रं चतुर्थिका ॥ २७ ॥
2 Karsha (or 2 Pichu) make 1 Sukti or Astamika. 2 Sukti make 1 Pala. Prakuncha, Bilva, Musti, Amra, and Chaturthika are different names carrying the exact same meaning for the weight of 1 Pala.
english translation
zabdAnyatvamabhinne'rthe zuktiraSTamikA picU । palaM prakuJco bilvaM ca muSTirAmraM caturthikA ॥ 27 ॥
hk transliteration by Sanscript