English

hypodactyly

From hypo- + dactyly.

Proto-Indo-European *upó ‘under, below’

Ancient Greek ὑπό ‘under’

English hypo-

Ancient Greek δάκτυλος ‘finger’

Today it means

noun The presence of fewer than the usual number of fingers or toes; oligodactyly.

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

Etymograph / hypodactyly