What is the meaning of Eta?

The seventh letter of the Modern Greek alphabet, the eighth in Old Greek.

A kind of electrically neutral meson having zero spin and isospin.

A social outcast in Japan who is subjected to menial work, making up a class or caste of such people.

Alternative form of ita (kind of palm tree)

and

plus, and

upon, after

since, because

eta (Greek letter)

and

state (condition)

state (polity)

to see

above

to eat

only, just

crib, manger

cancer

 to eat

only, just

to walk

to go

to hear, to listen

eta; the Greek letter Η (lowercase η)

tiny, little, minuscule, slight (see -et-)

to eat

eta (letter of the Greek alphabet)

to eat

eta (letter of the Greek alphabet)

eta (Greek letter)

Rōmaji transcription of えた

this

this one

this one

eta (Greek letter Η, η)

expresses surprise

age

eta; the Greek letter Η, η

to go

to visit

Source: wiktionary.org