Proto-Indo-European

*septḿ̥

‘seven’

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

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

• seven ← seofon ← *sebun ← *sebun
• seventh ← seventhe ← seofoþa ← *sebundō ← *sebundô
• septic ← septem ← *septəm
• sevenfold ← seofonfeald ← seofon ← *sebun ← *sebun
• septet ← septem ← *septəm
• septuple ← septuplus ← septem ← *septəm
• heptarchy ← heptarchia ← ἑπτά ← *heptə́
• septennial ← septuennis ← septem ← *septəm
• hebdomadal ← hebdomadālis ← hebdomas ← ἑβδομάς ← ἕβδομος
• diazepine ← azepine ← ἑπτᾰ́ ← *heptə́
• hebdomad ← hebdomada ← ἑβδομάς ← ἕβδομος ← *hébdomos
• hebdomadary ← hebdomadārius ← hebdomas ← ἑβδομάς ← ἕβδομος

More words from *septḿ̥

• heptapody
• hebdomometre
• lethera
• septemfluous
• septrional
• septuary
• septimole
• septane
• septennium

Etymograph / Proto-Indo-European *septḿ̥