Add comment justifying constellation art. (#2559)

skycultures/indian/constellation_names.eng.fab

@@ -67,11 +67,13 @@ UAṣ	"Uttarāṣāḍhā"	_("Latter invincible one")
 # अभि + जि + क्विप् ।
 Abh	"Abhijit"	_("Victorious")
 Śra	"Śravaṇa"	_("Ear")
-# Ancient name: श्रविष्ठा, or "most famous".
+# Ancient name: श्रविष्ठा (śraviṣṭhā), or "most famous".
 Dhani	"Dhaniṣṭhā"	_("Wealthiest")
 # vAchaspatyam: शतं भिषज इव ताराः यत्र ।
 Śata	"Śatabhiṣak"	_("Hundred cures")	
-# Ancient name: प्रोष्ठपद
+
+# Ancient name: prōṣṭhapada. Prōṣṭha referred to a bench in some vedic literature, and later a bull/ ox.
+# The dhiṣṇiya-incantations (KYV 1.3.3), which specially end referring to the deities of the below asterisms, are associated as hoofs of the winged suparNa/ garutman in kr̥ṣṇa-yajur-veda. Further, there is the (winged horse) Pegasus - dadhikrāvā association.
 PBhā	"Pūrva bhādrapada"	_("The first of the blessed feet")
 UBhā	"Uttara bhādrapada"	_("The second of the blessed feet")
 # Ultimately from रेव (प्लुतौ व्रजे).