English

ambisinister

From ambi- + sinister, literally “both sides left-handed”, by analogy with ambidextrous (literally “both sides right-handed”).

Proto-Indo-European *h₂en- ‘on, onto’

Proto-Italic *amβō

Latin ambo ‘both’

English ambi-

Proto-Italic *senisteros

Latin sinister ‘left hand’

Late Latin sinextrum

Old French senestre ‘left’

Middle English sinistre ‘unlucky’

Today it means

adj Awkward or clumsy with both hands.

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

Etymograph / ambisinister