पठ्

Etymology
Likely a "school-speak" derivative of, perhaps as a "spreading out" of rehearsed text during an oral recitation, and/or because books and scrolls are spread out when they are read.

Root

 * 1) to read or repeat aloud, recite, rehearse
 * 2) to repeat or pronounce the name of a god, to invoke
 * 3) to read or repeat or recite to one's self, to peruse, study
 * 4) to teach, cite, quote, mention, express, declare
 * 5) to learn from