What is the meaning of Ua?

BIPM recommendation for the unit symbol of astronomical unit

nothing

I

I am

I was

that, it

to do

to make

to proceed

to become

here

two

rain

sentence-final negation particle; not

to go

grape

to do

to make

to proceed

to become

vein (blood vessel)

abbreviation of unité astronomique

used before a verb to denote completed action

rain (condensed water from a cloud)

to rain

the aforementioned

archaic form of ó (“grandson, grandchild; descendant”)

yes

rain (condensed water from a cloud)

to rain

vein (blood vessel)

alternative spelling of ũa

present tense marker

rain

grape, grapes (fruit)

flower

yard, court (an enclosure typically attached to the back of a house)

fence (of sticks or grass, of the type used for such an enclosure)

to kill

rain (condensed water from a cloud)

two

Source: wiktionary.org