Where does “riptide” come from?

riptide (English) comes from English RIP, from English -le, from Middle English -el, from Old French -el, from Latin -ellus, from Latin -ulus, from Proto-Italic -olos, from Proto-Italic -elos — Forms agent nouns from verbal roots.

riptide (English): A particularly strong tidal current; A rip...

Definitions

  1. A particularly strong tidal current; A rip...

Ancestry of “riptide”, step by step

riptide traces back through two separate lines of ancestry.

via English RIP

StepLanguageWordMeaning
1EnglishRIPInitialism of requiescat in pace, initialism of...
2English-leA frequentative suffix of verbs, indicating...
3Middle English-el
4Old French-elSuffix that usually denotes a masculine noun
5Latin-ellusAlternative form of -ulus; "forming masculine...
6Latin-ulusUsed to form a diminutive of a noun, indicating...
7Proto-Italic-olos
8Proto-Italic-elosForms desubstantival and deadjectival diminutive nouns
9Proto-Indo-European-e-lós
10Proto-Indo-European-lósForms agent nouns from verbal roots

via English tide

StepLanguageWordMeaning
1EnglishtideThe periodic change of the sea level,...
2Middle EnglishtydeA time (period), season
3Old Englishtīdtime, period, season; period, season, time;...
4Proto-Germanictīdiztime; period, interval
5Proto-Indo-Europeandéh₂itisinterval, period of time
6Proto-Indo-Europeandeh₂y-to share, divide
7Proto-Indo-Europeandeh₂-to share, divide
Every word from Proto-Indo-European -lós