▁Th amb y ▁Raj ah ' s ▁A ik ido ▁is ▁fund ament ally ▁the ▁same ▁as ▁Y osh ink an ▁A ik ido , ▁but ▁is ▁more ▁reflect ive ▁of ▁the ▁early ▁days ▁of ▁Sh iod a ▁G oz o ' s ▁A ik ido . ▁ ▁Et ym ology ▁The ▁name ▁of ▁Sh ud ok an ▁was ▁given ▁to ▁Th amb y ▁Raj ah ▁by ▁Sh iod a ▁G oz o ▁( ple ase ▁confirm ▁in ▁the ▁Th amb y ▁Raj ah ▁article ▁the ▁name ▁is ▁given ▁by ▁M if une ). ▁The ▁word ▁" Sh ud ok an " ▁is ▁formed ▁of ▁three ▁kan ji : ▁ ▁  – Sh u   – ▁Study , ▁learn ▁ ▁  – ▁d ō   – ▁Way , ▁path ▁ ▁  – kan   – ▁House , ▁place ▁Therefore , ▁from ▁a ▁purely ▁lingu istic ▁point ▁of ▁view , ▁sh ud ok an ▁is ▁the ▁' place ▁to ▁learn ▁the ▁way ' ▁( of ▁the ▁Y osh ink an ). ▁ ▁Style ▁Sh ud ok an ▁A ik ido ▁is ▁the ▁Y osh ink an ▁style ▁of ▁A ik ido . ▁ ▁It ▁is ▁sometimes ▁incorrectly ▁referred ▁to ▁as ▁the ▁" soft " ▁version ▁when ▁compared ▁to ▁the ▁" hard " ▁Y osh ink an . ▁It ▁is ▁a ▁dynamic ▁and ▁combat - effect ive ▁system ▁of ▁throwing , ▁joint - lock s , ▁strik es ▁and ▁pin ning ▁techniques . ▁It ▁emphas izes ▁practical ▁efficiency ▁and ▁is ▁the ▁style ▁used ▁to ▁train