sensei
(redirected from O-sensei)sen·sei
(sĕn′sā′, sĕn-sā′)n. pl. sen·seis
1. A teacher or mentor, especially of a martial art.
2. Used as a form of address for such a person.
[Japanese, teacher, master, from Middle Chinese sianʂa⋮jŋ, elder, prior-born (term of respect) (also the source of Mandarin xiānsheng) : sian, first + ʂa⋮jŋ, to give birth, be born (ultimately from Proto-Sino-Tibetan *sriŋ, live, life; also the source of Burmese hrang, live, alive).]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
sensei
(ˈsɛnseɪ)n, pl sensei
(Judo & Karate) a Japanese title for a teacher, master, or professional; (in English) used esp for a martial arts teacher
[Japanese: teacher, leader]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014