seventy

From Middle English seventy, sevynty, from Old English hundseofontiġ, from Proto-Germanic *sebuntēhundą (“seventy”), equivalent to seven +‎ -ty. Cognate with Scots seiventy (“seventy”), Saterland Frisian soogentich (“seventy”), West Frisian santich (“seventy”), Dutch zeventig (“seventy”), German Low German söventig (“seventy”), German siebzig (“seventy”), Swedish sjuttio (“seventy”), Norwegian sytti (“seventy”), Icelandic sjötíu (“seventy”).

• IPA^(key): /ˈsɛv.ən.ti/
• (US, also) IPA^(key): /ˈsɛv.ən.di/

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seventy

1. The cardinal number occurring after sixty-nine and before seventy-one, represented in Roman numerals as LXX and in Arabic numerals as 70.

• Arabic numerals: 70
• Roman numerals: LXX

• Last: sixty-nine, sixty
• Next: seventy-one, eighty

• cevyntye, senty, sevenety, seventi, sevinti, sevynty, seyventi, zeventy
• sefentiȝ, seofenntiȝ, seoventiȝ, soventi (Early Middle English)

From Old English seofontiġ, alteration of hundseofontiġ, itself a modification of Proto-Germanic *sebuntēhundą; equivalent to seven +‎ -ty.

• IPA^(key): /ˈsɛvəntiː/, /ˈsɛːvəntiː/

seventy

1. seventy

• English: seventy
• Scots: seiventy

• “sē̆ventī, num.”, in MED Online, Ann Arbor, Mich.: University of Michigan, 2007.