Gently
来自Big Physics
Middle English: from Old French gentil ‘high-born, noble’, from Latin gentilis ‘of the same clan’ (see gentile). The original sense was ‘nobly born’, hence ‘courteous, chivalrous’, later ‘mild, moderate in action or disposition’ (mid 16th century).
wiktionary
From Middle English gentilly, gentlych, gentilliche, equivalent to gentle + -ly, with *-lely simplified to -ly by haplology.
etymonline
gently (adv.)
early 14c., "befitting one of gentle rank, as of good family," from gentle + -ly (2). Meaning "quietly, softly, without rudeness, gradually" is from 1550s.