Meaning

noun the physiological state of having or consisting of muscle

noun possessing muscular strength

noun an imaginative lively style (especially style of writing)

originEtymology tree English muscular Proto-Indo-European *-teh₂ Proto-Indo-European *-ts Proto-Indo-European *-teh₂ts Latin -itāsder. Old French -itebor. Middle English -ite English -ity English muscularity From muscular + -ity.

Etymology from Wiktionary, CC BY-SA 3.0