Where does “macho” come from?

macho (Old Portuguese) comes from Latin Mārculus, from Latin Mārcus, from Latin Martīnus, from Latin -īnus, from Proto-Italic -īnos, from Proto-Indo-European -iHnos, from Proto-Indo-European -no- — adjectival suffix.

Ancestry of “macho”, step by step

macho traces back through two separate lines of ancestry.

via Latin Mārculus

StepLanguageWordMeaning
1LatinMārculussmall hammer, hammer
2LatinMārcus—
3LatinMartīnus—
4Latin-īnusof or pertaining to; -ine
5Proto-Italic-īnosof/belonging to
6Proto-Indo-European-iHnosCreates adjectives of materials
7Proto-Indo-European-no-adjectival suffix

via Vulgar Latin masclus

StepLanguageWordMeaning
1Vulgar LatinmasclusAlternative form of masculus; male
2Latinmasculusmale, masculine; man, male
3Latinmāsmale
4Proto-Nuristani*māsamoon
5Proto-Indo-Iranianmā́Hasmoon; month
6Proto-Indo-Europeanmḗh₁n̥smoon; month
7Proto-Indo-Europeanmeh₁-to measure

Words derived from “macho”

Every word from Proto-Indo-European -no- →Every word from Latin -īnus →Every word from Latin Martīnus →