English

haploproficiency

From haplo- + proficiency.

Formed from haplo- + proficiency

Proto-Indo-European *sem- ‘one, whole’

Ancient Greek ἁπλόος ‘single, simple’

English haplo-

Latin prōficiēns ‘advancing etc’

English proficiency

Today it means

noun The state of being haploproficient

Language periods are conventional ranges, not dates for this word.

Etymograph / haploproficiency

Shirt and support for this word