English
impatientness
From impatient + -ness.
Formed from impatient + -ness
Latin patior ‘suffer, experience, wait’
Latin patiēns ‘suffering, patient’
Latin impatiēns ‘that cannot bear’
Old French impacient
English impatient
Today it means
noun The quality of being impatient.
Language periods are conventional ranges, not dates for this word.
Etymograph / impatientness