Glossary of Terms

E

Eka:
1) One, alone, solitary. 
2) Monad, a single unit.
Ekādi:
Beginning with one.
Ekāgra:
One-pointed, single-focused.
Ekāgratā:
One-pointedness.
Ekatra:
Together, as one.
Epistemology:
The study of the origin, scope, and validity of knowledge.  See Darśana.
Etad:
This.
Ethics:
The study of moral conduct or right behavior.  See Darśana.
Eva:
1) Only, merely.
2) Thus, in this manner.
Extra Dimensions:
1) The six hidden dimensions in string theory.  See String Theory.
2) Existence (sat), bliss (ānanda), consciousness (cit), the soul (jīva), mind (sattva), and emotion (rajas) when veiled by physics (tamas).  See Kālavāda.