Where does “Ascensiontide” come from?

Ascensiontide (English) comes from English ascension, from Middle English ascencioun, from Old French ascension, from Latin ascēnsiō, from Latin ascensus, from Latin ascendo, from Latin ad-, from Latin īn- — in.

Ascensiontide (English): The period from Ascension Day (39 days after Easter) until Whitsunday (49 days after Easter)

Definitions

  1. The period from Ascension Day (39 days after Easter) until Whitsunday (49 days after Easter)

Ancestry of “Ascensiontide”, step by step

Ascensiontide traces back through two separate lines of ancestry.

via English ascension

StepLanguageWordMeaning
1EnglishascensionThe act of ascending; an ascent; That which...
2Middle Englishascencioun
3Old Frenchascensionascent
4Latinascēnsiōascent, ascension
5Latinascensusascended; risen; ascent
6LatinascendoI climb up, I go up, I move upwards; I rise,...
7Latinad-to; usually prefixed to verbs, in which cases it...
8Latinīn-un-, non-, not
9Latinînin, at, on, upon, from (space)
10Latinenlookǃ beholdǃ; reallyǃ?; come onǃ
11Proto-Italicenin
12Proto-Indo-Europeanh₁énin

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 h₁én