Meaning & History
From 保 (yasu) meaning "protection" or 康 (yasu) meaning "peaceful" combined with 燿 (kagaya.ku, hikari, yo, teru) meaning “shine, sparkle” or 湧 (yu, yo. wa.ku, wa.kasu, wa.kiwaka, waki, waku) meaning “(of water) to spring forth, gush out, well up”.