an Italian lord or gentleman, 1570s, from Italian signore, from Latin seniorem, accusative of senior "older" (from PIE root *sen- "old"). Feminine form signora is from 1630s; diminutive signorina is first recorded 1820.
significant
signification
signifier
signify
sign-in
signor
signpost
sign-up
sike
Sikh
Sikhism