Normally
来自Big Physics
mid 17th century (in the sense ‘right-angled’): from Latin normalis, from norma ‘carpenter's square’ (see norm). Current senses date from the early 19th century.
wiktionary
normal + -ly
etymonline
normally (adv.)
1590s, "regularly, according to general custom" (a sense now archaic or obsolete), from normal + -ly (2). Meaning "under ordinary conditions" is by 1838.