keitain.

Brit.

/ˈkeɪtʌɪ/, U.S.

/ˈkeɪˌtaɪ/

Inflections: Plural unchanged, keitais.

Origin: A borrowing from Japanese. Etymon: Japanese keitai.

Etymology: < Japanese keitai mobile phone (1998 or earlier), lit. ‘portable’ (1847 or earlier; < kei- carry on one's person + -tai belt, sash; both < Middle Chinese); in specific use as noun short for keitai denwa mobile phone (1997 or earlier, although attested 1886 in reference to an early portable device).

In Japan: a mobile phone.

ΘΚΠ

society > communication > telecommunication > telegraphy or telephony > telephony > telephone equipment > [noun] > telephone > types of

microtelephone1879

field telephone1880

telephone extension1881

pay telephone1886

home telephone1893

substation1897

extension1906

railophone1911

dial phone1917

payphone1919

dial telephone1921

autophone1922

mobile telephone1930

viewphone1932

videophone1944

mobile phone1945

car phone1946

video telephone1947

speaker-phone1955

picture telephone1956

princess phone1959

touchtone telephone1961

touch-tone1962

touchtone phone1963

picture phone1964

Trimphone1965

princess telephone1966

vision-telephone1966

visiophone1971

princess1973

warbler1973

landline1977

cardphone1978

feature phone1979

smartphone1980

mobile1982

cell phone1983

Vodafone1984

cellular1985

mobile device1989

brick1990

satphone1991

celly1992

burner phone1996

keitai1998

burner2002

1997 Asahi Shimbun (Japan) (Nexis) 17 May Office chatter focused on the popularity of keitai (portable) telephones and pagers.]

1998 Mainichi Daily News (Japan) 1 Nov. 7/3 Since I am almost never at home, there'd be no way for me to contact my friends without a keitai.

2001 Wired Sept. 129/2 The first keitai, the so-called candy-bar models, had small black-and-white screens and were about half the size of Western cell phones.

2002 Daily Yomiuri 17 Oct. 10/4 She has tied the bank's carrot mascot character to her keitai strap.

2008 D. Crystal Txtng iv. 109 Under the table..everyone was furiously typing on their keitais, showing messages to their neighbors.

This is a new entry (OED Third Edition, November 2010; most recently modified version published online March 2022).

单词	keitai
释义	keitain. Brit. /ˈkeɪtʌɪ/, U.S. /ˈkeɪˌtaɪ/ Inflections: Plural unchanged, keitais. Origin: A borrowing from Japanese. Etymon: Japanese keitai. Etymology: < Japanese keitai mobile phone (1998 or earlier), lit. ‘portable’ (1847 or earlier; < kei- carry on one's person + -tai belt, sash; both < Middle Chinese); in specific use as noun short for keitai denwa mobile phone (1997 or earlier, although attested 1886 in reference to an early portable device). In Japan: a mobile phone. ΘΚΠ society > communication > telecommunication > telegraphy or telephony > telephony > telephone equipment > [noun] > telephone > types of microtelephone1879 field telephone1880 telephone extension1881 pay telephone1886 home telephone1893 substation1897 extension1906 railophone1911 dial phone1917 payphone1919 dial telephone1921 autophone1922 mobile telephone1930 viewphone1932 videophone1944 mobile phone1945 car phone1946 video telephone1947 speaker-phone1955 picture telephone1956 princess phone1959 touchtone telephone1961 touch-tone1962 touchtone phone1963 picture phone1964 Trimphone1965 princess telephone1966 vision-telephone1966 visiophone1971 princess1973 warbler1973 landline1977 cardphone1978 feature phone1979 smartphone1980 mobile1982 cell phone1983 Vodafone1984 cellular1985 mobile device1989 brick1990 satphone1991 celly1992 burner phone1996 keitai1998 burner2002 1997 Asahi Shimbun (Japan) (Nexis) 17 May Office chatter focused on the popularity of keitai (portable) telephones and pagers.] 1998 Mainichi Daily News (Japan) 1 Nov. 7/3 Since I am almost never at home, there'd be no way for me to contact my friends without a keitai. 2001 Wired Sept. 129/2 The first keitai, the so-called candy-bar models, had small black-and-white screens and were about half the size of Western cell phones. 2002 Daily Yomiuri 17 Oct. 10/4 She has tied the bank's carrot mascot character to her keitai strap. 2008 D. Crystal Txtng iv. 109 Under the table..everyone was furiously typing on their keitais, showing messages to their neighbors. This is a new entry (OED Third Edition, November 2010; most recently modified version published online March 2022). < n.1998
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