Tune
late Middle English: unexplained alteration of tone. The verb is first recorded (late 15th century) in the sense ‘celebrate in music, sing’.
wiktionary
From Middle English tune, an unexplained variant of tone [1], from Old French ton, from Latin tonus, from Ancient Greek τόνος(tónos, “a tone”). Doublet of tone, ton, and tonus.
etymonline
tune (n.)
early 14c., "a musical sound," unexplained variant of tone (n.). From late 14c. as "a well-rounded succession of musical notes, an air, melody." Meaning "state of being in proper pitch" is from mid-15c.
tune (v.)
"bring into a state of proper pitch," c. 1500, from tune (n.). Non-musical meaning "to adjust an organ or receiver, put into a state proper for some purpose" is recorded from 1887. Verbal phrase tune in in reference to radio (later also TV) is recorded from 1913; figurative sense of "become aware" is recorded from 1926. Tune out "eliminate radio reception" is recorded from 1908; figurative sense of "disregard, stop heeding" is from 1928. Related: Tuned; tuning.
