出典:Wiktionary
From Middle English tyde, tide, tyd, tid, from 古期英語 tīd (“time”), from Proto-Germanic *tīdiz (“time”), from Proto-Indo-European *déh₂itis (“time”), from Proto-Indo-European *deh₂y- (“to divide”). Related to time.
tide (三人称単数 現在形 tides, 現在分詞 tiding, 過去形および過去分詞形 tided)
From Middle English tiden, tide, from 古期英語 tīdan (“to happen”).
From 古期英語 tīd (“point または portion of time, due time, period, season; feast-day, canonical hour”); see tide.
-tide
From peptide, glycopeptide.