Meaning

verb give moral or emotional strength to

verb cause to feel better

originFrom Middle English sothen (“to verify, prove the validity of”), from Old English sōþian (“to verify, prove, confirm, bear witness to”), from Proto-West Germanic *sanþōn, from Proto-Germanic *sanþōną (“to prove, certify, acknowledge, testify”), from Proto-Indo-European *h₁es- (“to be”). Cognate with Danish sande (“to verify”), Swedish sanna (“to verify”), Icelandic sanna (“to verify”). See also…

Etymology from Wiktionary, CC BY-SA 3.0