Proto-Indo-European

*dwís

‘twice, doubly’

Every word has its own definition in its root. These English words share one: Proto-Indo-European *dwís.

19 English words in this record descend from Proto-Indo-European *dwís, most familiar first.

• defeat ← defet ← deffet
• binary ← binarie ← bīnāriu ← bīnus ← *dwiznos
• diplomacy ← diplomatie ← diplomatique ← diploma ← δίπλωμα
• bis ← duis ← *dwis
• biceps ← bis ← duis ← *dwis
• binocular ← binoculaire ← bīnus ← *dwiznos ← *dwis
• betwixt ← bitwixe ← betweox ← tweox ← *twiskaz
• diastole ← διαστολή ← διά
• diatessaron ← διά
• dichotic ← dichotisch ← δῐ́χᾰ ← δῐ́ς ← *dwís
• bissextile ← bisextilis/bissextilis ← bisextus ← sextus ← bis
• bicipital ← biceps ← bis ← duis ← *dwis

More words from *dwís

• binate
• bissext
• bietapic
• dichogamy
• dilogy
• dissophyte
• totear

Etymograph / Proto-Indo-European *dwís