ur-

1 of 3

combining form (1)

variants or uro-

1

: urine

uric

2

: urinary tract

urology

3

: urinary and

urogenital

4

: urea

uracil

ur-

2 of 3

combining form (2)

variants or uro-

: tail

uropod

ur-

3 of 3

prefix

ˈu̇r

often capitalized

1

: original : primitive

ur-form

2

: original version of

urtext

3

: prototypical : arch-

ur-anticommunist

Word History

Etymology

Combining form (1)

New Latin, from Greek our-, ouro-, from ouron urine, from ourein to urinate — more at urine

Combining form (2)

New Latin, from Greek our-, ouro-, from oura tail — more at ass

Prefix

German, from Old High German ir-, ur- thoroughly (perfective prefix) — more at abide

Geographical Definition

Ur

geographical name

ˈər 

ˈu̇r

city of ancient Sumer

Note: The site of Ur is northwest of Basra in southern Iraq.