Where does “moiré pattern” come from?
moiré pattern (English) comes from English pattern, from English patten, from English paterne, from Middle English patron, from Old French patron, from Latin patrōnus, from Latin pater, from Proto-Italic patēr — to protect; to shepherd.
moiré pattern (English): an optical effect formed when one family of curves is superposed on another, the lines of the overlapping figures crossing at an angle less than about 45°; the moiré lines are then the locus of the points of intersection
Definitions
- an optical effect formed when one family of curves is superposed on another, the lines of the overlapping figures crossing at an angle less than about 45°; the moiré lines are then the locus of the points of intersection
Ancestry of “moiré pattern”, step by step
moiré pattern traces back through two separate lines of ancestry.
via English pattern
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | pattern | Model, example; A design, motif or decoration,... |
| 2 | English | patten | Any of various types of footwear with thick... |
| 3 | English | paterne | — |
| 4 | Middle English | patron | Alternative form of patroun; patron; example |
| 5 | Old French | patron | model; patron, protector |
| 6 | Latin | patrōnus | a protector, patron |
| 7 | Latin | pater | father; head of household; parent |
| 8 | Proto-Italic | patēr | father |
| 9 | Proto-Indo-European | ph₂tḗr | father |
| 10 | Proto-Indo-European | peh₂- | to protect; to shepherd |
via English moiré
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | moiré | A pattern that emerges when two grids are... |
| 2 | French | moiré | moiré, watered; shimmering; moiré, watered... |
| 3 | French | -é | past participle root verb suffix of regular -er... |
| 4 | Middle French | -é | past participle root verb suffix of regular; -ed, -en, -n |
| 5 | Old French | -é | used to form past participles of regular -er... |
| 6 | Latin | -a | suffixed to the roots of verbs, forms agent... |
| 7 | Proto-Italic | -ā | Forms masculine agent nouns from prefixed or compounded bases |
| 8 | Proto-Indo-European | -éh₂ | — |